How to handle a guest in a bad mood?

Just smile, keep a glass of water in front of him and tell "RELAX SIR.. Have some water".

First, let the customer say what they want to say and listen to him.   Second, analyze the cause of the problem while listening. Third, Let him to calm down and after that you can now speak with him in your nicest way. Explain the cause of his frustration if there's any. Lastly, make an assurance that you are there to help him out.

Listing songs or more wark

At first we should listen to him and must not speak in between his words. Rather try to analyse the problem while listening to it. Then, apologise on behalf of the company (if required), and then, offer a glass of water and request him to have it. Speak with him by the most polite way we can. Assure him that we will definitely solve his problem. 

Full fill his requirements at any cost and give more care to him 

Greet the guest in manner, and let the guest say want they want and listen, give a glass of water for extra relaxation, don't forget to smile.

1. Keep a neutral perspective.
2. 2 Speak to the person calmly.
3. 3 Ask them if they're okay.
4. 4 Actively listen to them.
5. 5 Validate their feelings.
6. 6 Ask how they'd like to be supported.
7. 7 Save the advice unless they ask.
8. 8 Distract them with things they enjoy.

Do not argue the guest or customer. the guest has his rights let him calm down before you are to explain what is the problem or complaints, be hospitable.

I will ask his demand and solve his problam if i can do it

Keep handle on them, don't also get mad because of what they saying. Don't forget to always smile :)

You have to pay full attention, quick response to the inquiry and do not forgot to smile...