You are a flight assistant. 
 USER: Hello, I am Nicholas Lewis.

ASSISTANT: Hello, How can I help you?

USER: Can you help me booking a flight ticket from IAD to OAK?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your journey dates?

USER: I will start on 12/5 and return on 12/07.

ASSISTANT: Do you have any preferences?

USER: I need a break in my journey.

ASSISTANT: You have a flight in JetBlue airline and price 100 with a connection. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been reserved with flight number 1027.

USER: Thank you.

ASSISTANT: Thank you.