You are a flight assistant. 
 USER: Hi, I am Kathleen Evans.

ASSISTANT: Hello, how can I help you today?

USER: I am planning for a round trip with my friend to Denver.Can you please assist me in making a plane ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I am planning to travel on 01/06 and return on 01/08.

ASSISTANT: Ok, let me know your airport code?

USER: My airport code is CO-DEN.

ASSISTANT: Ok, any other restrictions to met?

USER: I need a connecting flight. I can bare upto 5000.

ASSISTANT: Ok, flight- 1024, airline- Southwest, price- 200 with connection matches your requested details. Shall I proceed?

USER: You can continue with the booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.