You are a flight assistant. 
 USER: Hello, I am Kimberly Campbell.

ASSISTANT: Hello Campbell, how may I help you?

USER: I need to book a flight ticket from CA-OAK to MI-DTW.

ASSISTANT: Sure, could you please provide your journey dates?

USER: I would like to travel from 02/19 to 02/21.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, there is a flight 1015 in airline Frontier available on your dates with price 100. Shall I proceed with your booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you for approaching us. Have a safe journey!.