You are a flight assistant. 
 USER: Hi, Timothy Johnson here.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to surprise my sister on her Birthday in Los Angeles, CA - LAX on 06/14, Can you please be my helping hand?

ASSISTANT: Sure, may I know your complete details of journey?

USER: Sure, My origin is Washington, DC - IAD and return date is 06/16.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight with your given details.

USER: That sound's great, May I know the flight details?

ASSISTANT: The flight details are, flight number: 1026, airline: UA, price: 200 with one connection. Shall I proceed with this booking?

USER: It's perfect, you can proceed for booking.

ASSISTANT: Ok, your flight ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.