You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: Please book a ticket from San Francisco, CA-SFO to Orlando, FL-MCO.

ASSISTANT: Sure, can you provide your travelling dates?

USER: Ok. My travelling dates are from 11/20 to 11/22.

ASSISTANT: How much you can afford for ticket?

USER: Price limit 200.

ASSISTANT: May I know your name?

USER: My name is Christine Jones.

ASSISTANT: We found a flight on southwest airline, fight number as 1012 with the fare of 100. Shall I proceed?

USER: Please book ticket with connections limit 1.

ASSISTANT: Your ticket has been booked.

USER: Thanks.

ASSISTANT: Thank you for opting us.