You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Rebecca Davis.

ASSISTANT: How can I help you?

USER: I want to visit to IAD for a business meeting, can you help me?

ASSISTANT: May I know the travelling dates and airport codes please?

USER: My dates are from 03/13 to 03/15. My source code is OAK.

ASSISTANT: I found a flight with 1 connection in Delta airlines.

USER: Ok, proceed booking.

ASSISTANT: Your ticket is booked with 1001 flight number.

USER: Thanks for confirming my reservation.

ASSISTANT: Welcome.