You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am looking for a flight from IAD to MCO, can you help me in booking?

ASSISTANT: Sure, help me with the trip dates?

USER: Sure, my planned travel dates are Apr 26 and Apr 28.

ASSISTANT: May I know your name please?

USER: Myself Jerry Collins.

ASSISTANT: Do you have any preferences?

USER: Please look for a connecting flight.

ASSISTANT: We found an airline: Delta, flight number: 1002 and price is 100 with one connection. Shall I proceed to book?

USER: That's fine, please proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us.