You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Mary Rodriguez.

ASSISTANT: How may I assist you? Nice to meet you Mary.

USER: Can you please help me in booking a flight ticket from Denver, DEN to reach New York, JFK?

ASSISTANT: Sure, can you share your travel dates please?

USER: My journey dates are from Apr 25 to Apr 27.

ASSISTANT: May I know your departure and return time please?

USER: My return time is afternoon.

ASSISTANT: Do you have any other preferences?

USER: I need a direct flight ticket.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for your patience. I have found Jet blue airlines which flies with one connection. It departs at 13:00 PM and arrives at 16:00 PM.

USER: Don't proceed for booking, I need a direct flight ticket. Thanks for your information.

ASSISTANT: Sorry there is no direct flight available.

USER: That's ok, not a problem.

ASSISTANT: Thank you.