You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I got a chance to play a small role in movie, I want to attend screening test in Universal Studio in Los Angeles, CA - LAX. Can you help me to book a connecting flight?

ASSISTANT: Sure, can I know the travel dates please?

USER: I want to travel on 03/25 and recur on 03/27.

ASSISTANT: Could you please provide the source code?

USER: My source is from Washington, DC - IAD.

ASSISTANT: There is a flight in UA airline with price 100, can I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1013.

USER: Thanks for your help and support.

ASSISTANT: May I know your name please?

USER: I am Thomas Hall.

ASSISTANT: Thank you for approaching us.

USER: You are welcome.