You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I address you?

USER: Please book a ticket from San Francisco, CA-SFO to Atlanta, GA-ATL, for science festival.

ASSISTANT: Sure, let me know if you need a way station in between?

USER: Please provide a halt.

ASSISTANT: Please mention your travel dates.

USER: My travel dates are from 03/08 to 03/10.

ASSISTANT: May I know your name?

USER: My name is Susan Roberts.

ASSISTANT: UA airline with flight number 1000 and price of 200 is available on your required dates. Shall I proceed?

USER: Please proceed to book a ticket.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.