You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book the flight ticket from HOU to DEN. Can you please help me?

ASSISTANT: Sure, let me know your trip dates please?

USER: My travel dates are May 19 and May 21.

ASSISTANT: May I know your connection limit?

USER: I need a single connection flight.

ASSISTANT: Do you have any time concern?

USER: No.

ASSISTANT: Do you need any airline preference?

USER: No.

ASSISTANT: Ok, is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Can I know your name please?

USER: Gary Thomas.

ASSISTANT: American Airlines is providing connecting flight with the ticket fare of 100 and depart time is 0:00 hours, arrival time is 7:00 hours, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed by flight number 1002 in economy class.

USER: Thank you for the help.

ASSISTANT: Thanks for approaching us.