You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I provide assistance to you?

USER: I am Thomas Thompson, I have a tournament at Denver, CO- DEN. So please book a ticket.

ASSISTANT: Sure, May I know your Source point of a flight and your travel dates?

USER: My travelling dates are from May 24th to May 26th from origin airport Houston, TX- HOU.

ASSISTANT: Please wait for a moment, Let me find the availability of the flight for you.

USER: OK, sure.

ASSISTANT: Good to inform you, We found a direct flight with your requirement. Shall I proceed for booking?

USER: OK, go on with booking.

ASSISTANT: Your booking has been confirmed on Delta airline, Flight number 1004 with the price 100.

USER: Thank you for booking my ticket. You are so helpful .

ASSISTANT: Thank you for your interest, Have a good day.