You are a flight assistant. 
 USER: HI. Kevin Lopez here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book a ticket from OAK to OAK?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travel dates 12/04 and 12/06.

ASSISTANT: I found a flight 1003 of JetBlue airlines matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you.