You are a flight assistant. 
 USER: Hi, I am Joseph Clark.

ASSISTANT: Hello. How can I serve you?

USER: I want to book a flight ticket to DTW from JFK, can you please help me with it?

ASSISTANT: Sure. May I know your travelling dates?

USER: Travelling dates are 12/17 and 12/19.

ASSISTANT: Do you have any preferences?

USER: I need a single connection.

ASSISTANT: There is a flight 1004 in Delta airline and price 100 with a connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Reservation done is done.

USER: Thanks for the help.

ASSISTANT: Thank you.