You are a flight assistant. 
 USER: Hello.

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

USER: I want to attend a marriage 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 Dec 17 and Dec 19.

ASSISTANT: Ok, please let me know the timings of your journey.

USER: It's not an issue. I prefer economy class.

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

USER: My airport codes are LGA and HOU.

ASSISTANT: Can I have  your good name please?

USER: My name is Debra Roberts.

ASSISTANT: Southwest airlines running a flight in your route with connection 1, is it ok for you?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket booking has done and the flight number is 1009.

USER: Thanks for helping me.

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