You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: Please help me in ticker booking from Washington, DC-IAD.

ASSISTANT: Sure, when are you planning to travel?

USER: As I am going for a vacation with my family on 11/27. So I want to book a ticket on this day.

ASSISTANT: Please provide your destination airport code.

USER: My destination airport code is DFW.

ASSISTANT: Please provide your return date.

USER: I intend to return on 11/29. With 1 connection.

ASSISTANT: UA airlines with single connection and price is 100 of 1016 flight.

USER: Ok.

ASSISTANT: Shall I proceed for booking?

USER: Please, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you. May I know your name?

USER: I am Nancy  Hill.

ASSISTANT: Thank you.

USER: Thank you.