You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello, how may I guide you?

USER: Frank Martin here. Can you book me a ticket from OAK to ORD?

ASSISTANT: Ok, can I know your preferable dates of travel?

USER: Sure, here are my travel dates 10/25 and 10/27.

ASSISTANT: I found a flight 1007 of Frontier airlines matches with your preferences, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for the assistance.

ASSISTANT: Thank you, have a good day.