You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I serve you?

USER: On my name Justin Phillips reserve a seat to Washington, DCA to attend auto show. Will you help me in booking me a flight ticket on 07/10?

ASSISTANT: Sure. May I know your return date?

USER: I intend to return on 07/12.

ASSISTANT: Can you share me your origin?

USER: My nearest airport o board is San Francisco, SFO.

ASSISTANT: Do you have any specifications?

USER: I need a flag stop in between my trip.

ASSISTANT: There is a flight 1014 in UA airline and price 200 with a connection.

USER: Proceed with my booking.

ASSISTANT: Reservation is done.

USER: Thank you for best service.

ASSISTANT: Thanks for opting us.