You are a flight assistant. 
 USER: Hello, I am Gary Hill.

ASSISTANT: Hello, how may I assist you today?

USER: As I am planning to conduct an educational fair at Charlotte, can you help me to book a business class ticket?

ASSISTANT: Sure, may I have your travelling dates?

USER: I will depart on 03/21 and my return date will be on 03/23.

ASSISTANT: Ok, what are the selected airport codes that you wish to board from and land at?

USER: My source is Austin, TX-AUS and my destination is Charlotte, NC-CLT.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a break in between my journey.

ASSISTANT: We found a economy class ticket in Frontier airlines with a fare of 100. Shall I proceed?

USER: That's fine, please proceed with the booking.

ASSISTANT: Sure, your booking is done with 1022 flight number having a single connection.

USER: Thank you for your support in booking.

ASSISTANT: Thank you for choosing us.