You are a flight assistant. 
 USER: Hello, I am Donna Baker.

ASSISTANT: Hello Donna Baker, how can I assist you?

USER: I want to fly from Detroit, can you please help me to book a flight ticket from DTW to PHL?

ASSISTANT: Sure, please share your trip dates.

USER: My trip dates are 02/10 to 02/12.

ASSISTANT: Please hold on for a while.

USER: Sure, take your time.

ASSISTANT: Spirit airlines is providing a direct flight on your planned dates.

USER: Do not proceed to book.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for contacting us.