You are a flight assistant. 
 USER: Hello.

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

USER: I'm William Williams.

ASSISTANT: Nice to meet you William.

USER:  I am planning to travels from HOU to LAS for a business meeting, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I am happy to help you. On which dates do you wanted to travel?

USER: Sure, I would like to take off on 06/24 and return back on 06/26. Make sure that the connection limit is 0.

ASSISTANT: Please be hold on for a moment, I will get the flight details. Thank you for waiting.

USER: You are welcome.

ASSISTANT: Sorry William, there is no flight available to you with connection 0.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for checking.

ASSISTANT: You are welcome. Have a good day.

USER: Thank you.