You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to book a ticket from JFK to attend a meeting at DTW.

ASSISTANT: Sure, May I know your travelling dates?

USER: My travel dates are as follows July 27 and July 29.

ASSISTANT: Do you have any connection limit?

USER: I would like to board a single connection flight.

ASSISTANT: Is there any airline preference?

USER: My airline preference must be in the normal cost.

ASSISTANT: May I know your name?

USER: My name is Timothy Martin, and I would like to travel by a business class.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: No issue, thank for your time and information.

ASSISTANT: Thank you.