You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please book the flight ticket from JFK to DTW.

ASSISTANT: When you are willing to travel?

USER: My trip dates are 03/16 and 03/18.

ASSISTANT: Do you have any connection limit?

USER: I am comfortable to travel with a single connecting flight.

ASSISTANT: Do you have any other requirement?

USER: I want to return in afternoon.

ASSISTANT: May, I know your good name?

USER: Alexander Thomas here.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.