You are a flight assistant. 
 USER: Hello. Dorothy Anderson here.

ASSISTANT: Hello. How may I help you?

USER: I am planning to book a flight ticket to DTW from DEN, can you please help me out?

ASSISTANT: Sure, May I know on what dates you are willing to travel?

USER: Sure, my planned travelling dates are Oct 08 and Oct 10.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Sorry to inform you that, there are no flights found on your trip dates.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.