You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Rebecca Scott. I am planning to watch a movie in Grand Lake Theater at Oakland, can you please help me in reservation?

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

USER: I want to travel on 07/12, and need to catch return flight on 07/14.

ASSISTANT: Can you please provide me your source and destination codes?

USER: My source is at Washington, DC-IAD and destination is at Oakland , CA-OAK.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We are glad to say that, we found an airline: JetBlue, flight number: 1004 and price is 100. Shall I proceed to booking?

USER: I am ok with flight details, you can proceed to book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your great service.

ASSISTANT: Thank you for reaching us.