You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I amend you?

USER: I am Anthony Collins, help me to book a flight ticket on 03/14 to Denver to visit my cousin.

ASSISTANT: Sure, I can help you. Please send me your return date, to proceed further.

USER: I plan to return on 03/16.

ASSISTANT: Ok. Do you need a direct or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Can you share the airport codes of both routes?

USER: My destination airport is CO-DEN and source point is TX-AUS.

ASSISTANT: Please stay online, I will revert to you.

USER: Sure.

ASSISTANT: Thanks for your time. You have a UA airline available on respective date of travel. May I reserve you a seat with flight 1028?

USER: Sure, please proceed with booking flight 1028.

ASSISTANT: Ok, your ticket is done with booking.

USER: Thank you for your service for booking.

ASSISTANT: Thanks for availing us.