You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may i abet you today?

USER: Can you help me book a connecting flight from Seattle to attend a press meet at Washington?

ASSISTANT: Sure, kindly mention your fare limit.

USER: I can pay up-to 1000 for the flight ticket.

ASSISTANT: May I know your source and detonation points?

USER: From SEA, I would like to reach DCA.

ASSISTANT: Could you please let me know your preferred journey dates to proceed further?

USER: My journey dates are planned to be on 04/15 and 04/17.

ASSISTANT: Wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, unfortunately there are no connecting flights found matches your specifications.

USER: That's ok, thank you.

ASSISTANT: May I know your name please?

USER: My name is Margaret Carter.

ASSISTANT: Thank you.