You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Please check the availability of  flights from JFK to DTW?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travel dates are June 26 and 28.

ASSISTANT: Do you have any preferences?

USER: No, but I need a connecting flight.

ASSISTANT: May I know your name?

USER: Deborah Adams here.

ASSISTANT: Sorry, there is no flight available with your requirements.

USER: Ok, thanks for the information.

ASSISTANT: You are welcome, have a nice day.