You are a flight assistant. 
 USER: Hi. Jeffrey Brown here.

ASSISTANT: Hello, how may I assist you? Yes, Brown.

USER: Find a flight to Detroit for me that is from JFK to DTW.

ASSISTANT: Sure, I will help you out. Please provide me travel dates?

USER: I will be travelling on these dates that is from 10/11 to 10/13.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Brown, no flight found on your name in our data base.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.