You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Robert Thompson.

ASSISTANT: How can I assist you now?

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

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

USER: Sure, I would like to take off on 01/03 and return back on 01/05.

ASSISTANT: Ok, please provide me airport codes too.

USER: My source airport code is DFW and the destination airport code is LGA.

ASSISTANT: Please be hold on for a moment.

USER: Ok, but make sure that the connection limit is 1.

ASSISTANT: Sorry Robert, there is no flight availabe to you on your dates.

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

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