You are a flight assistant. 
 USER: Hi. Here William Martin.

ASSISTANT: Hello, how can I assist you?

USER: I need a flight ticket to enjoy my holiday in sports stadium which is in New York, is there any flight for me to travel?

ASSISTANT: Yes, could you please let me know your travel dates?

USER: Sure, I want to fly to that location on 07/14 and arrival back to my home town on 07/16.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: Sure, my source region airport code is PHX and my destination region airport code is LGA which are nearest to my locations.

ASSISTANT: Ok, please wait for a while.

USER: Sure and I need a direct flight in my journey because it a very far to travel.

ASSISTANT: Sorry, there is no direct flight available on your preferred dates.

USER: Ok, that's fine. I can prefer any other source to reach my destination location. Thank you for your help.

ASSISTANT: You are welcome and thank you for choosing us.

USER: Welcome.