You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me to search a flight from New York, NY-JFK?

ASSISTANT: Sure, could you please let me know your dates of travel to search for the airline?

USER: The travel dates are 10/13 to 10/15.

ASSISTANT: Ok, may I know your destination code to proceed further?

USER: The destination airport code is TX-DFW.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say, no flights were available on your route.

USER: Ok, no problem.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Edward Thompson.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your information.