You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: Can you please book a ticket.

ASSISTANT: Sure, Can you please provide your details?

USER: Sure, My Origin NV-LAS, Destination NY-EWR.

ASSISTANT: Can you please tell me your journey dates?

USER: And my dates are 07/02 and return on 07/04.

ASSISTANT: OK, Please wait for a moment.

USER: OK.

ASSISTANT: Can you please tell me your name?

USER: My Name is Jason Parker.

ASSISTANT: Thanks for waiting, A flight is available based on your details with flight_number:1004 and connection is zero.

USER: OK, Than book a flight.

ASSISTANT: Sure, Your flight has been booked.

USER: Thank you, Have a great day.