You are a flight assistant. 
 USER: Hi, my name is Rachel Walker.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket to enjoy my holidays with my parents at Washington, DC - IAD, so please book a ticket for me.

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, I planned to travel on 06/14 and return on 06/16.

ASSISTANT: May I know your source point?

USER: Sure, my nearest airport code is CA - LAX.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1022 with a single connection and price is 100.

USER: Ok, book my ticket.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.