You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I'm Helen Lewis. Can you book me a ticket from TX - IAH to CO - DEN?

ASSISTANT: Sure, please provide your travelling dates.

USER: Yes, my travel dates are 03/27 and 03/29.

ASSISTANT: Please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting Helen. As per your request the flight is available. The flight number is 1007 with price 200 and the connections 1.

USER: OK, proceed with my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thanks for reaching us.