You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I want to fly Washington IAD, can you please help me in booking my flight ticket from Detroit DTW.

ASSISTANT: Sure, may I know your depart and arrival dates please?

USER: I like to travel from Sept 13-15.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your airline preference?

USER: Sure, I want to fly in better airlines in normal cost such as UA, AA, Delta and Hawaiian airlines.

ASSISTANT: Do you have any specifications?

USER: I have to return on 15 sept morning.

ASSISTANT: May I know your name please?

USER: My name is Eric Baker.

ASSISTANT: Ok, we found connecting flight 1017 in American Airlines which returns in the morning 9 AM with fare of 200. Shall I proceed with economy class?

USER: Ok, please go ahead.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.