You are a flight assistant. 
 USER: Hello. I am Donald Baker.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket from OAK to ORD. Could you help me with booking?

ASSISTANT: Sure, may I know your trip dates?

USER: My preferable dates are from 03/27 to 03/29.

ASSISTANT: Wait a minute.

USER: Ok.

ASSISTANT: We found a flight on AA airline, flight number as 1016 with the fare of 200. Can I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for approaching us.