You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid 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, can you share your trip dates?

USER: I would like to depart on Apr 17th and return on Apr 19th.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable with any flight.

ASSISTANT: Is there any class preference?

USER: I have no other preferences.

ASSISTANT: Please forward your name.

USER: I am Anna Young.

ASSISTANT: There are no flights found on your specified trip dates.

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

ASSISTANT: Thank you.