You are a flight assistant. 
 USER: Hello, My name is Antony Collins.

ASSISTANT: Hello, how can I support you today?

USER: I want to attend Auto show at New York. Can you help me in booking?

ASSISTANT: Sure, May I know the remaining details of your journey?

USER: My airport codes are from LAS to LGA and my travelling starts from  03/14 to 03/16.

ASSISTANT: Please wait, I will check and let you know.

USER: Sure.

ASSISTANT: Thank you for waiting, We found no flights based on your details. Thank you for approaching us, Hope to serve you again.

USER: Ok, no problem.

ASSISTANT: Have a nice day.

USER: Thank you.