You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Sarah Jones. Can you book a ticket from IAD to MSP?

ASSISTANT: May I know your travel dates please?

USER: I am willing to start on 04/11 and return on 04/13.

ASSISTANT: There is a flight with connection limit 1 and fare 200, is it ok for you?

USER: Proceed.

ASSISTANT: Ticket is booked, flight number 1019.

USER: Thank you for booking.