You are a flight assistant. 
 USER: Hello, Cynthia Lee here.

ASSISTANT: Hello, what help you need from us?

USER: I planned to meet my cousin in DTW, can you please hep me to book the flight ticket from DEN?

ASSISTANT: To enhance the search, can you share the dates on which you are planning your journey?

USER: Sure, I want to start on 06/24 and return back on 06/26.

ASSISTANT: Please stay on line for a moment, I will search the appropriate flight for you.

USER: Sure, take your time.

ASSISTANT: Sorry, all flights are already packed in this route, would you like to move on any other day?

USER: No, that's ok. Thank you for your information.

ASSISTANT: Ok, thank you for choosing our services.