You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Washington, can you please reserve me a flight ticket from CLT to IAD?

ASSISTANT: May I know your trip dates?

USER: My preferable journey dates are Apr 21 and Apr 23.

ASSISTANT: Do you prefer any connections?

USER: I prefer connecting flight for this trip.

ASSISTANT: Do you please share your requirements?

USER: No other requirements are there for me.

ASSISTANT: There is a connected flight in JetBlue airlines with the fare 100.

USER: That's ok for me. Please reserve my ticket in this flight with my name Catherine Martin.

ASSISTANT: Your booking is done.

USER: Please provide flight details.

ASSISTANT: Flight number 1012.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you.