You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Samuel Johnson. I need to book a ticket to Atlanta with fare of 500.

ASSISTANT: Ok.

USER: Could you please help me in booking a ticket from Detroit DTW?

ASSISTANT: Sure, we are here to help you. May I know you destination airport code.

USER: My destination code is ATL.

ASSISTANT: May I know your journey dates?

USER: My travelling dates are 07/27 and return on 07/29.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Sure.

ASSISTANT: You have a direct flight to ATL. Are you comfortable with this?

USER: No, sorry I need a connecting flight.

ASSISTANT: Ok.

USER: Thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.