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 Houston. 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 Oct 14 and Oct 16.

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

USER: My airport codes are DEN and HOU.

ASSISTANT: Do you prefer any specific airlines to travel?

USER: It's not an issue.

ASSISTANT: Do you have any other specifications?

USER: I prefer single connecting flight.

ASSISTANT: Can I have your good name please to proceed further?

USER: My name is Mark Wright.

ASSISTANT: Frontier airlines running a flight in your route with connection 1 and the ticket fare is 200 in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1018.

USER: Thanks for helping me.

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