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

ASSISTANT: Hello Gary, how may I help you today?

USER: Can you please help me in booking a flight ticket from DEN to IAH?

ASSISTANT: Sure Gary, can you please share me with your dates of journey?

USER: My travelling dates are from Mar 5 to Mar 7.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is UA, shall I book this ticket?

USER: Sure, you can proceed for booking.

ASSISTANT: Ok, your booking is done with the flight number 1009.

USER: Thanks for your support.

ASSISTANT: You are welcome, have a safe flight.