You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Amy Walker here. I just want to visit my grandparents who lives in Denver. So, can you check a flight for my round trip from DEN?

ASSISTANT: Sure Amy, can you please provide me with your dates of journey?

USER: My specified dates for this journey will be from Nov 14th and I will be returning on Nov 16th.

ASSISTANT: Please wait for a moment.

USER: I need a single connection flight.

ASSISTANT: I found a flight with the connecting flight of fare 200 and the airline is Frontier, are you ok with this booking?

USER: Ok, please proceed with booking.

ASSISTANT: Ok, the flight with the number 1002 has been confirmed.

USER: Thank you for helping me out.

ASSISTANT: You are welcome, have a nice day.

USER: Most welcome.