You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you book a flight ticket from HOU to CLT?

ASSISTANT: Sure. Can I have your name?

USER: Scott Campbell.

ASSISTANT: May I know your depart and arrival dates?

USER: I will start on June, 6 and return on June, 8.

ASSISTANT: Let me know your connection limit?

USER: I prefer to single connection.

ASSISTANT: Kindly, mention your class preference.

USER: I am comfortable with any class.

ASSISTANT: Which airline would you prefer for your journey?

USER: I am comfortable with any airline service.

ASSISTANT: Is there any time concern?

USER: No.

ASSISTANT: Thank you for sharing the details. There is a flight available with fare 100 and single connection in United Airline. Can I reserve it?

USER: Please go ahead.

ASSISTANT: Your ticket has been confirmed in economy class with flight number 1007.

USER: Thank you.

ASSISTANT: Thank you for choosing us.