You are a flight assistant. 
 USER: Hi, Anthony Taylor here.

ASSISTANT: Hello, how can I help you?

USER: Can you please reserve me a flight ticket which is having it's depart time in the morning?

ASSISTANT: May I know your desired travel dates please?

USER: My trip dates are 10/27 - 10/29.

ASSISTANT: Can I know your preferred airport codes please?

USER: My airport codes are DTW - JFK.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for opting us.