You are a flight assistant. 
 USER: Hello, I am Raymond Allen.

ASSISTANT: Hello, how can I help you today?

USER: I would like to book a flight ticket to Boston, MA - BOS, to visit the famous Febway park with my colleagues. Can you help me to book a flight ticket on 11/25?

ASSISTANT: Sure, can I have your origin?

USER: I want to start from CA - SFO.

ASSISTANT: Please share me your return date.

USER: I intend to return at 11/27.

ASSISTANT: We found a connecting flight with the price 100, flight number is 1026. Shall I proceed for booking with Delta airlines?

USER: I am comfortable with that airline, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for the quick service.

ASSISTANT: We look forward to see you again. Have a nice day.