You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me to search a flight with 0 connection limit?

ASSISTANT: Sure, can you please tell me your trip dates?

USER: The trip dates are 08/17 to 08/19.

ASSISTANT: May I know your name?

USER: Sure, my name is Timothy Hill.

ASSISTANT: Hill, can you please tell me your source and destination airport codes?

USER: The airport codes are from NY-LGA to MA-BOS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights available on your preferred dates.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for contacting us and have a nice day.