You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be your helping hand?

USER: I need your helping hand in booking a flight ticket. So that I can reach LGA from ATL.

ASSISTANT: Sure, may I know your journey dates?

USER: January 13 and 15 are my planned travelling dates.

ASSISTANT: May I know your connection limit?

USER: I am comfort with any limit.

ASSISTANT: Do you have any other preferences?

USER: I would prefer to return in the evening flight.

ASSISTANT: May I know your name?

USER: My name is Amy Lewis.

ASSISTANT: Sorry, there are no flights available on your request.

USER: That's ok. Thanks for your time.

ASSISTANT: Thank you for choosing us.