You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Martin.

ASSISTANT: How can I assist you?

USER: I am willing to go to the art gallery in Washington DC - IAD from GA - ATL. Can you assis me?

ASSISTANT: Sure, please share your trip dates too.

USER: Ok, my travel dates are 07/19 and 07/21.

ASSISTANT: Sorry, no flights are available on your route.

USER: Ok, not a problem. Thank you for helping me with the information.

ASSISTANT: Welcome, have a nice day.