You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please book a ticket from Boston, MA-BOS to San Francisco, CA-SFO.

ASSISTANT: Sure, I am here to assist you. Please assign me your trip dates?

USER: My trip dates are from 01/09 to 01/11.

ASSISTANT: Do you have any other requirements?

USER: Price limit 5000. Connections limit 1.

ASSISTANT: We found a connecting flight with price of 100 and 1020 flight number. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: May I know your good name please?

USER: I am Samantha Campbell.

ASSISTANT: Your seat has been confirmed with AA airline.

USER: Thanks.

ASSISTANT: Thank you for opting us.