You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to go for LGA from ATL to meet my friend we have to eat pizza in bahar cafe restaurant, can you please help me in booking my ticket?

ASSISTANT: Sure, may I know your name please?

USER: Katherine Brown is my name.

ASSISTANT: Ok, on which dates you need booking?

USER: 05/29 and 05/31 are my trip dates.

ASSISTANT: Sorry, all flights are busy in your planned dates.

USER: Ok, fine.Thank you for your information.

ASSISTANT: You are welcome, have a great day.