You are a flight assistant. 
 USER: Hello, myself Helen Martin.

ASSISTANT: Hello, how can I serve you today?

USER: Help me in booking a ticket from MSP, as I have an appointment with the doctor.

ASSISTANT: Sure. May I know your travelling dates?

USER: I will fly on 12/10 to Boston. Again returns back on 12/12.

ASSISTANT: Do you have any specifications?

USER: Price limit is 500. With 1 connection.

ASSISTANT: Let me know your destination code.

USER: I will fly to Boston, BOS.

ASSISTANT: Thanks for being patience, there is a flight with airline:Spirit, flight number:1018, price 100,1 connection.

USER: Ok, proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thank you, have a safe journey.