You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you today?

USER: Please book a ticket from Washington DC-DCA to Charlotte, NC-CLT.

ASSISTANT: Sure, I'll help you in that. May I know your travel dates please?

USER: Departure is by 06/19 and 06/21 is my return date.

ASSISTANT: Ok, can I have your good name please?

USER: I am Sharon Davis.

ASSISTANT: JetBlue airlines is having a flight on that route with travel charge of 100, shall I proceed for booking?

USER: Please book a ticket with connections limit 1.

ASSISTANT: I have successfully booked you a ticket with flight-1027, have a safe journey.

USER: Thanks.