You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you today?

USER: I am Elizabeth Roberts.

ASSISTANT: Ok.

USER: I am planning to learn a new language at Denver.

ASSISTANT: Ok.

USER: Help me in booking my flight ticket with one stopover.

ASSISTANT: Sure. Could you please share the airport code of Denver and boarding point?

USER: My landing airport code is CO-DEN. I would like to start from TX-AUS.

ASSISTANT: Ok. When are you planning to travel to Denver? Please send me dates.

USER: I would like to start on 08/06.

ASSISTANT: Ok.

USER: My return date is on 08/08.

ASSISTANT: Thanks for the details. We found a flight that matches your request. UA airline with a connecting flight is available.

USER: Please proceed.

ASSISTANT: Your flight number is 1027, ans I processed to book a tricket with a fare of 100.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us, Have a great day.