You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can we assist you today?

USER: I need a connecting flight to JFK to LGA. Can you help me?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: Yes, my travel dates are 05/31 and 06/02 respectively.

ASSISTANT: Ok, may I know your name please?

USER: Yes, book the flight on the name Frank Martin.

ASSISTANT: Sorry Frank, there are no flights available on your preferred dates.

USER: That's ok, thank you for assisting me.

ASSISTANT: Thank you for contacting us and have a nice day.