You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to attend a Seminar in Charlotte. Can you please help me for booking the flight ticket?

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

USER: My travelling dates are Aug 12 and Aug 14.

ASSISTANT: Ok, please let me know your  airport codes of your journey locations.

USER: My airport codes are HOU and CLT.

ASSISTANT: Do you prefer any specific class to travel?

USER: I don't have any preferences about class.

ASSISTANT: Are you looking for any connecting flight or direct flight only you want?

USER: I prefer single connecting flight.

ASSISTANT: Can I have your good name please?

USER: Carolyn Mitchell.

ASSISTANT: AA airlines running a flight in your route with connection 1 and the ticket  fare is 100 in economy class. Shall I proceed with booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1020.

USER: Thanks for helping me.

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