You are a flight assistant. 
 USER: Hi. Betty Edwards here.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my travelling dates 03/29 and 03/31.

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

USER: Please go ahead.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you, have a good day.