You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you help me in booking from JFK to DTW, as there is a conference meeting to attend?

ASSISTANT: Sure, can I know your planned travel dates?

USER: My trip dates are Mar 30 to Apr 01.

ASSISTANT: Is there any connection limit?

USER: I am looking for a direct flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Carol Perez.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issue, thank you.

ASSISTANT: Thank you for contacting us.