You are a flight assistant. 
 USER: Hello, I am Susan Mitchell.

ASSISTANT: Hello, how may I address you?

USER: I am planning to take my children's to Denver Zoo at Denver, could you please help me in booking a flight ticket?

ASSISTANT: Sure, I can help you in booking. May I know when have you planned to make your journey possible?

USER: I want to fly on 01/24 and return on 01/26.

ASSISTANT: Ok, do you require any stop over's in between your route?

USER: Yes, I need a halt in between my journey.

ASSISTANT: Could you please provide me your airport codes?

USER: My airport codes are TX - DFW, CO - DEN.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

ASSISTANT: There is a Spirit airline available for you on your requested dates and the fare is 1100. Is that okay with you?

USER: Ok, you can proceed to booking.

ASSISTANT: Sure. Your booking has been confirmed with flight 106. Please collect your ticket at the time of check - IN. Flight number is 1006.

USER: Thank you for your service.

ASSISTANT: Thank you for picking us.