You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Nicholas Moore here.

ASSISTANT: How may I help you for the day?

USER: I need to travel Denver, Can you Please book flight ticket?

ASSISTANT: Sure, I am here to help you with that. May I know your preferable airport codes, please?

USER: My airport codes are from AUS to DEN.

ASSISTANT: Can you please provide your planned travel dates?

USER: My journey dates are 10/06 and 10/08 and I need one connecting flight.

ASSISTANT: According to your information, UA airlines are providing a flight with a fare of 100. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Nicholas Moore, your ticket has been booked with the flight number 1015.

USER: Thank you for helping me in this reservation.

ASSISTANT: You are welcome, thank you for approaching us.