You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from DTW to EWR?

ASSISTANT: Sure, I am here to help you for this. When are you planning your trip?

USER: I would like to depart on Jan 16th and return on Jan 18th.

ASSISTANT: May I know your name please?

USER: I am Ronald Thomas.

ASSISTANT: Is there any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other specifications regarding your journey?

USER: I have no other specifications.

ASSISTANT: Sorry for inconvenience, no flights are found with your specifications.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you very much for approaching our agency.