You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Please help me in booking flight from ATL to IAD.

ASSISTANT: Sure, May I know your travelling dates?

USER: My journey dates are Sept 23 to Sept 25.

ASSISTANT: Do you have any class preference?

USER: No, but arrange me only single connection flight.

ASSISTANT: Ok, Do you have any other preferences?

USER: My arrival time should be in afternoon.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thank you for your patience, we found a connecting flight in 1028 Southwest Airlines with a fare of 100. Can I proceed for booking?

USER: Sure, proceed to book it.

ASSISTANT: May I know your name?

USER: Myself Kenneth Jackson.

ASSISTANT: Your ticket has been booked and return time is 17:00 hours.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.