You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you now?

USER: I am Joseph Robinson, can you help me with booking ticket from DTW to JFK?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Ok, my planned dates are from Mar 05 to 07.

ASSISTANT: Do you want any connection in between your flight journey?

USER: Ok, I need a direct flight.

ASSISTANT: Please mention your other preferences?

USER: I don't have any other preferences.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us, we hope see you again.