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

ASSISTANT: Hello, how can I give assistance to you?

USER: I would like to  visit Denver Zoo with my colleagues, will you help me in booking a flight with a halt?

ASSISTANT: Sure, when do you want to start your journey?

USER: I want to depart on 01/19.

ASSISTANT: Ok, Are you comfortable with any class?

USER: Yes.

ASSISTANT: Ok, Can you please mention your journey airport codes?

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

ASSISTANT: To proceed further, may I know your return date?

USER: I intend to return on 01/21.

ASSISTANT: Thanks for providing your details, please standby.

USER: Sure.

ASSISTANT: Thanks for your time, we found a flight in 1001 Hawaiian airline with a fare of 300 in economy class. Can I proceed for booking?

USER: Ok, you can proceed.

ASSISTANT: Sure, your ticket has been confirmed with a halt.

USER: Thank you so much.

ASSISTANT: Thank you for approaching us.