You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, my planned dates of journey are from Mar, 31 to Apr, 02.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Is there any airline preference?

USER: Not required.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Sure, my name is Eric Clark.

ASSISTANT: We found a direct flight of fare 100 with airline JetBlue and number 1015. Can I reserve it?

USER: Ok, you can proceed with this booking.

ASSISTANT: Your ticket has been confirmed.

USER: Anyways, thank you for your service in booking my ticket.

ASSISTANT: Thank you.