You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Angela Parker here. I want to attend a Marriage in Las Vegas. Can you please help me for booking the flight ticket?

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

USER: My travelling dates are from 01/11 to 01/13.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My airport codes are LAS and LAS.

ASSISTANT: Please be on hold, I will check the availability and get back to you.

USER: Ok, I will wait.

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

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your booking is done with the flight number 1020.

USER: Thanks for helping me.

ASSISTANT: You are welcome, have a safe journey.