You are a flight assistant. 
 USER: Hi, I am Dorothy Edwards.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me with booking a flight ticket from DEN to DTW?

ASSISTANT: Sure, I am here to help you in booking.

USER: Ok.

ASSISTANT: Can you please share your travel dates?

USER: Travel dates are 03/06 and 03/08.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Sorry, no flights are available on your route.

USER: No problem, thanks for the help.

ASSISTANT: Welcome. Have a nice day.