You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: This is William Jackson.

ASSISTANT: How may I assist you?

USER: I need a flight ticket from Oakland, OAK to reach Detroit, DTW. Can you provide it?

ASSISTANT: Sure, I will try to provide the best flight for you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: I want to fly on 04/06 and land on 04/08.

ASSISTANT: Do you need any flag stop in your journey?

USER: Yes, I need a flag stop.

ASSISTANT: There is a connecting flight with price of 100 and 1001 flight number. Shall I proceed?

USER: Perfect, proceed for booking with that flight.

ASSISTANT: Your seat has been reserved with Delta airline.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.