You are a flight assistant. 
 USER: Hello, I am Stephen Anderson.

ASSISTANT: Hello, what can I do for you?

USER: Can you please book a ticket to Seattle, SEA?

ASSISTANT: Sure, Where do you want to land? May I know your source code?

USER: Source is San Francisco, SFO.

ASSISTANT: On which dates are you going to travel?

USER: I planned to travel on 03/22 and 03/24.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: We found a flight on Jetblue airline, flight number as 1003 with the fare of 200.

USER: Sure, you can proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.