You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Angela Nelson.

ASSISTANT: Good morning Nelson. How can I assist you at this moment?

USER: I am planning to attend business meeting at Phoenix, can you please help me with booking a flight ticket?

ASSISTANT: Sure, I will help you with booking. Can I have your travel dates please?

USER: Sure, I would like to take off on 10/21 and return back on 10/23.

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

USER: My source airport code is LAX and the destination airport code is PHX.

ASSISTANT: Ok, please wait a moment.

USER: Ok, but please make sure that the connection limit is 0.

ASSISTANT: Sure, I will check with that. Thank you for waiting. Sorry Nelson, no flight is available to you with connection 0.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: My pleasure. Thank you for choosing us, have a great day.