You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I would like to travel to Dallas & Fort Worth to attend a meeting. can you please reserve a plane ticket from Phoenix?

ASSISTANT: Sure, can you please mention with your dates of travel?

USER: Thank you. I would like to travel on the dates of Feb 11 and Feb 13.

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

USER: The respective airport codes are PHX and DFW.

ASSISTANT: Do you have any other requirements please?

USER: I always willing to travel in a single connecting flight, so please search the flight with this requirement.

ASSISTANT: Are you expecting any other specifications please?

USER: No, thank you for asking.

ASSISTANT: There is a connecting flight of fare 200 with the UA airline, shall I proceed with this booking? May I know your name please?

USER: Yes, I am ok with this flight. Please reserve a flight ticket with the name Helen Hernandez.

ASSISTANT: Ok Helen, I have reserved your ticket with the flight number 1002.

USER: Thanks a lot for your guidance in reserving my ticket.

ASSISTANT: You are welcome, have a safe journey.