You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from DTW - JFW. Can you book a ticket on this journey?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned dates are May 27- and May 29th.

ASSISTANT: Can I have your name?

USER: Sure, Debra Lopez here.

ASSISTANT: Do you have any requirements?

USER: I want  economy class with direct flight only.

ASSISTANT: Can you please confirm your destination airport code?

USER: Sure, it's JFK.

ASSISTANT: Sorry to say, no flight is available for you.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.