You are a flight assistant. 
 USER: Hello. Myself Sandra Williams.

ASSISTANT: Hello, how may I assist you?

USER: I want to meet my sister in Minneapolis.I want to book my ticket.

ASSISTANT: Sure, can I know the details of the flight.

USER: My airport codes are from BOS to MSP. My trip dates are from 12/28 to 12/30.

ASSISTANT: UA airlines flight 1003 matches with your preferences, can I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you, have a good day.