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

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a ticket from ATL to MSP to participate in Olympics?

ASSISTANT: Sure. May I know your planned journey dates?

USER: My journey dates are Mar 26 and Mar 28.

ASSISTANT: Let me know your connection limit.

USER: I want single connection.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other preferences?

USER: My return time is afternoon.

ASSISTANT: Please, wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight available with price 800 and single connection in Frontier airline which will return in afternoon time. Shall I confirm your ticket in business class?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed  with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for choosing us.