You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Donna Mitchell. I am looking for a flight from DTW to DTW a round trip, can you help me out trip?

ASSISTANT: Ok, I will be glad to assist you with that. May I know your travel dates?

USER: My trip dates are from 07/28 rill 07/30.

ASSISTANT: There is a flight with airfare 100 and the connecting flight is 1.

USER: Please proceed with it.

ASSISTANT: Can I book? Thank you for connecting with our agency. That flight is been booked.

USER: Thank you for your help.