You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: I am Ashley Roberts and I need a flight from DEN to DTW, can you please help me in flight ticket booking?

ASSISTANT: Sure, can I have your travel dates please?

USER: The trip dates are on 03/04 and back on 03/06.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry Ashley Roberts, no flight is available to you on your dates.

USER: Ok, no issues with that one. Thank you for your help.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Welcome.