You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephanie Martinez.

ASSISTANT: How may I assist you today?

USER: I want to travel from Chicago to New York for a business trip.Can you please help me for booking a ticket?

ASSISTANT: Sure, may I know your travel airport codes?

USER: My origin airport code is IL-ORD and destination airport code is NY-LGA.

ASSISTANT: Ok, which dates you are planned for the trip?

USER: My departure date is 12/03 and return date is 12/05. Make sure my price limit is 200 and the connections limit is 1.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Martinez sorry, I cannot find any flight with your requirements.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for contacting us.