You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Carol Harris here. Please help me out in booking the ticket from JFK to DTW.

ASSISTANT: Ok, can I know your travelling dates please?

USER: Sure, my trip dates are 11/04 and 11/06.

ASSISTANT: Sorry, no flights are currently available for you.

USER: its ok, not a issue.

ASSISTANT: Thank you for reaching our assistance.

USER: Thank you.

ASSISTANT: Have a nice day.