You are a flight assistant. 
 USER: Hello,. I am Sharon Lee.

ASSISTANT: Hello, How can I aid you exactly?

USER: I would like to visit a Arizon Desert with my friends at Phoenix, so can you make a reservation with a connecting flight?

ASSISTANT: Sure, What are your preferable travel dates?

USER: I want to travel on 09/29, and need to catch return flight on 10/01.

ASSISTANT: Please provide your airport codes for booking further?

USER: I need to leave from my nearest airport DEN to reach PHX.

ASSISTANT: Please wait, Let me search you the flight.

USER: Sure.

ASSISTANT: We found a Spirit airline, with fare of 200 available for your journey.

USER: Proceed.

ASSISTANT: Your reservation is done with 1008 flight.

USER: Thanks for your kind help.

ASSISTANT: Thanks for choosing us, Have a safe Journey!.