You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Barbara Carter.

ASSISTANT: How may I assist you at this moment?

USER: I have an important work in Orlando, can you please help me in searching a flight from Phoenix?

ASSISTANT: Yes, I am here to help you. Can you please tell me your travel airport codes which you prefer?

USER: Thank you. My preferable airport codes are PHX and MCO.

ASSISTANT: Ok, may I know your planned travel dates please?

USER: My preferable travel dates are 04/21 and return back on 04/23.

ASSISTANT: Ok, I have found a flight in the Frontier airlines which is providing a single connection in between your journey and the ticket fare is 100. Can I reserve your ticket?

USER: I am ok with this flight, you can confirm my flight ticket booking.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1007.

USER: Thank you so much for your help in my flight ticket booking.

ASSISTANT: You are welcome. Have a safe flight.