You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Anthony Collins. I am planning to go for hummer tour at Las Vegas, LAS. Can you please book a ticket on 03/14?

ASSISTANT: Sure, please share your departure airport code?

USER: Source code is New York, JFK.

ASSISTANT: Ok, let me know your return date please?

USER: I will return on 03/16.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your requested details.

USER: No problem.

ASSISTANT: Thank you for opting us.

USER: Thank you.