You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to book a flight ticket from DTW to JFK to meet my friends.

ASSISTANT: Sure, we are pleased to serve you. Can you share me your trip dates?

USER: My travelling dates are July 15 and July 17.

ASSISTANT: Do you need any way station in your journey?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your depart and arrival time?

USER: I comfortable with any time.

ASSISTANT: Do you have any other requirements?

USER: No, I do not have any other requirements.

ASSISTANT: May I know your good name please?

USER: I am Brenda Lewis.

ASSISTANT: Sorry to inform you that, there are no flights are available with your requirements.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for reaching us.