You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service that you are seeking from our agency?

USER: Is there any flight available to New York next week from Denver on 07/24?

ASSISTANT: Sure, I am gleeful to help you. Can you please provide your preferable journey airport codes of travelling?

USER: Thanks, I would like to take off from DEN airport and destination airport is EWR.

ASSISTANT: Is there any return trip that you are planned?

USER: Yes, please confirm my return ticket too on 07/26.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Please confirm this flight ticket in my name Alexander Walker.

ASSISTANT: Please wait a moment to check the best flights availability in your route.

USER: Sure.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Spirit airlines. Shall I proceed with this?

USER: That's perfect this airline save my money, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1002.

USER: Thank you for your guidance.

ASSISTANT: Thank you for reaching our services, hope you have satisfied with my service.

USER: Welcome.