You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. What kind of service are you looking for?

USER: I am Katherine Lee, I want to book a direct flight from New York airport to Austin airport to visit my home. Can you book a flight with in fare of 1000?

ASSISTANT: Sure, Can you provide your departure and arrival dates?

USER: I will depart on 09/05 and my arrival date is 09/07.

ASSISTANT: Let me know the New York airport code and Austin airport code?

USER: I will fly from NY-LGA airport and land on TX-AUS airport.

ASSISTANT:  Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for waiting. We could not provide you the direct flight. Instead of that, we have a connecting flight.

USER: Sorry, I need a direct flight.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Thanks for choosing us.