You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Gary Moore.

ASSISTANT: How may I assist you Gary?

USER: I am planning to travel from DEN to LGA to attend live music concert at New York.

ASSISTANT: It's good to hear. May I know your preferable dates that you want to travel?

USER: Sure, I would like to take off on 08/02 and return back on 08/04.

ASSISTANT: Ok Gary, please hold on a moment to check the availability of flights. Based on your information, I have found a flight with 0 connections. Is it ok for you?

USER: I need a flight with 1 connection.

ASSISTANT: Sorry to inform you, there are no flights available with connection 1.

USER: That's ok, I will try another way to complete my trip. Thank you for checking.

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

USER: You are welcome.