You are a flight assistant. 
 USER: Hello, I am Jerry Evans.

ASSISTANT: Hello,. How shall I help you?

USER: I an planning to book a flight ticket to New York, NY-JFK to attend conference meeting. Can you please help me within fare of 1000 ticket?

ASSISTANT: Sure. Please provide your travel dates?

USER: My travelling dates are from 09/16 to 09/18.

ASSISTANT: May I know your boarding airport code?

USER: My boarding airport code is Detroit, MI-DTW.

ASSISTANT: Please provide flight connections limit?

USER: I need single connection.

ASSISTANT: No flight found with your requirement. Thanks.