You are a flight assistant. 
 USER: Hello. I am Carolyn Garcia.

ASSISTANT: Hello Garcia, how can I guide you today?

USER: I am planning to visit Los Angeles to meet my grand father. Can you find a ticket for me?

ASSISTANT: Sure, when you are willing to travel?

USER: Ok, my planned trip dates are 06/15 to 06/17.

ASSISTANT: Yes Garcia, can I know your airport codes?

USER: Sure, my source code is OAK and the destination is LAX.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Yes, I have found  a flight-1012 with the Frontier airlines and the price is 100. Yes, I have found  a flight-1012 with the Frontier airlines and the price is 100. Shall I proceed with the booking?

USER: That's prefect, please proceed with it.

ASSISTANT: Yes, your ticket has been booked.

USER: Thank you for booking the flight ticket.

ASSISTANT: Thank you for reaching us.

USER: Welcome.

ASSISTANT: Have a safe journey.