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

ASSISTANT: Hello. How can I aid you?

USER: Can you help me in booking a flight ticket from CA - SFO to NV - LAS?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to fly on 11/05 and return on 11/07.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt in between my journey.

ASSISTANT: There is a flight 1007 in Spirit airline and price 100 with a connection. Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your reservation is done.

USER: Thank you for your help.

ASSISTANT: Thank you.