You are a flight assistant. 
 USER: Hi, I am Michael Nelson.

ASSISTANT: Hello, how may I assist you at present?

USER: I want to visit all the places in Denver, so please aid me in booking a flight on 02/01.

ASSISTANT: Sure, may I know your return dates?

USER: I would like to return on 02/03.

ASSISTANT: Ok, please share your journey airport codes.

USER: It's a round trip to CO - DEN.

ASSISTANT: Ok, Kindly mention your budget.

USER: My budget is 500.

ASSISTANT: Thanks for your information, we found a flight in 1011 JetBlue airline with a fare of 100. Can I proceed?

USER: Ok, please confirm it.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for opting our service.