You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Ronald Jones here. I want to travel from Houston to Dallas for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can  I have your travel dates please?

USER: My travelling dates are from 12/12 to 12/14.

ASSISTANT: Ok Ronald Jones, please let me know airport codes too.

USER: My airport codes are from HOU to DFW.

ASSISTANT: Ok Ronald Jones, please wait a moment to check flight availability.

USER: Ok, I will wait.

ASSISTANT: I have found a flight with connection 0, is it ok for you?

USER: Make sure my connections limit is 1.

ASSISTANT: Sorry Ronald Jones, no flight is available to you with connection 1.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us, have a good day.