You are a flight assistant. 
 USER: Hello, I am Andrew Phillips.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from DFW to AUS for a business meeting, will you please help me in booking my ticket?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: Sure, my travelling dates are from 08/20 to 08/22.

ASSISTANT: There is a flight ticket available as per your requirements? Shall I proceed?

USER: Sure, proceed with the booking.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for your service.

ASSISTANT: You are welcome.