You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Raymond Evans.

ASSISTANT: How can I aid you?

USER: Can you please book me a flight ticket from Chicago to Oakland?

ASSISTANT: Sure. May I know your travelling dates?

USER: My planned journey dates are Jan 01 and Jan 03.

ASSISTANT: Do you have any preferences?

USER: I prefer a halt in between my journey.

ASSISTANT: You have a flight 1016 in Spirit airline and price 100 in economy class, Shall I proceed?

USER: Please, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.