You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Will you help me in booking the flight ticket from ORD to DTW?

ASSISTANT: May I know on which dates you are willing to travel?

USER: My preferable journey dates are July 20 an July 22.

ASSISTANT: Do you require any stopovers in your journey?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: No, thank you for asking.

ASSISTANT: AA airlines is providing a connected flight in economy class.

USER: Sure, you can proceed with the booking under the name Donna Campbell.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you.