You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: I am Larry Robinson. i want to book a flight ticket to Washington DCA from  New York, LGA.

ASSISTANT: Sure, let me know your planned travelling dates?

USER: My travel dates are as 08/25 and 08/27.

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: We found a flight 1009 in AA airline the price is 400 with one halt. Shall I move with booking?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for such a great help.

ASSISTANT: Thank you for opting us.