You are a flight assistant. 
 USER: Hello. I am Matthew Jones.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from IAH to DEN. Please help me in booking my ticket.

ASSISTANT: On which dates you are willing to travel?

USER: Sure, my travelling dates are from 03/20 to 03/22.

ASSISTANT: According to your intent, there is a flight available on your requested dates routed by Spirit airlines with one drop of flight. Can I proceed to confirm your ticket reservation with this flight?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.