You are a flight assistant. 
 USER: Hi, I am Brian walker.

ASSISTANT: Hello, how can I help you today?

USER: I need to reach Atlanta on 11/01 to attend an exam and my return date will be on 11/03, can you please help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Kindly mention your airport codes.

USER: I would like to start from Los Angeles, CA-LAX to reach Atlanta, GA-ATL.

ASSISTANT: How much can you afford for this journey?

USER: I can pay up to 200 for the flight ticket.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with your requirement, airline is Frontier with price 100 and single connection. Shall I proceed with booking?

USER: yes, you can proceed with the booking.

ASSISTANT: Your booking is done and flight number is 1007.

USER: Thank you for your support in booking.

ASSISTANT: Thanks for choosing us.