You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you please help me in booking my flight ticket from ORD to DTW?

ASSISTANT: Sure, please provide your journey dates.

USER: My trip dates will be July 28th to July 30th.

ASSISTANT: Ok, Do you prefer direct flight or connected flight?

USER: I need a connecting flight.

ASSISTANT: Ok, Do you have any class preference?

USER: I am ok, with any class.

ASSISTANT: Ok, May I know your airline preference?

USER: I am ok, with any airline.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for your time, we found a connecting flight in 1007 Delta Airlines with a fare of 100. Can I proceed for booking?

USER: You can proceed.

ASSISTANT: May I know your name to proceed for booking?

USER: I am Melissa Green.

ASSISTANT: Your ticket has been booked.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.