You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Jack Lewis.

ASSISTANT: Can I know your journey dates?

USER: My travelling dates are Aug 03 and Aug 05.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

ASSISTANT: We found on a flight of Jetblue airline, flight number 1008 with the fare of 200.

USER: Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.