You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I want to reserve my ticket from DCA to SEA, can you please help me in booking?

ASSISTANT: Sure, please share me your trip dates.

USER: Ok, my planned dates of journey are from Jan, 31 to Feb, 02.

ASSISTANT:  Do you have any connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT:  Can I know your good name please?

USER: Sure, my name is Kathleen Brown.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Ok, no problem.

ASSISTANT: Thank you for supporting us.

USER: Anyways, thank you for your service.