You are a flight assistant. 
 USER: Hello, I am Michelle Smith.

ASSISTANT: Hello, how could I aid you?

USER: I would like to visit Comerica park at Detroit, can you please book me a ticket?

ASSISTANT: May I know your journey locations?

USER: My journey locations are from PHL to DTW.

ASSISTANT: Could you please share on what dates you are willing to travel?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Do you have any other specifications?

USER: Yes, please make sure the price limit should not exceed 1000.

ASSISTANT: Please wait for sometime, let me check the details of flight and revert to you.

USER: Ok.

ASSISTANT: There is a service available on this route from the Delta airlines of flight 1006. May I confirm your booking?

USER: Yes, you can.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.