You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Brandon Jackson, can you book a flight ticket from DTW to JFK to attend a meeting at New York?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Ok, my depart date is 08/22 and return is 08/24.

ASSISTANT: Sorry Jackson, there is no flight in your route.

USER: That's ok, no problem. Thank you for assisting me.

ASSISTANT: Thank you for reaching us.