You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I want to fly from ORD to IAD. Can you book a ticket from that route?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: My planned travel dates are 09/19 and 09/21.

ASSISTANT: Do you prefer break in between your journey?

USER: I want a flight with single connection.

ASSISTANT: Please let me know if you have any other specifications.

USER: Make sure that my depart time should be in the afternoon only.

ASSISTANT: May I know your good name please?

USER: Sure, Brian Gonzalez here.

ASSISTANT: Southwest airlines is providing a direct flight with ticket fare of 100, shall I proceed for booking?

USER: Yes, you can proceed with that booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1014, have a safe journey.

USER: Thank you for the booking.

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