You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Roberts.

ASSISTANT: How can I assist you?

USER: I have to book a flight ticket from Detroit, can you please help me in searching a flight from DTW to SFO?

ASSISTANT: May I know your journey dates please?

USER: Ok, my journey dates are 04/11 and 04/13.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please make sure that the connection limit  is 0, then proceed with ticket booking.

ASSISTANT: Jessica Roberts, there are no flights available with zero connection.

USER: It's ok, not a problem with that. Thank you for helping me.

ASSISTANT: Thank you for reaching us.