You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Miller.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a ticket from DFW to PHX to attend seminar, can you help me in booking?

ASSISTANT: Sure Joseph Miller, I am happy to help you with that. Can I have your travel dates please?

USER: I am departing on May 21 and return on May 23.

ASSISTANT: Do you have any concerns regarding airlines?

USER: I am ok with any airlines.

ASSISTANT: Ok, please let me know class preference.

USER: I do not have any class preference.

ASSISTANT: I have found a flight in AA airlines which is having connection 1 and the ticket fare is 100. Are you ok with this flight?

USER: Please proceed for booking.

ASSISTANT: Ok Joseph Miller, your ticket booking has done  and the flight number is 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us, have a great journey.