You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Alexander Moore. Can you help me booking a flight ticket from MSP to BOS?

ASSISTANT: May I know your trip dates?

USER: I will start on 02/18 and return on 02/20.

ASSISTANT: Do you have any class preferences?

USER: I am looking for a economy class.

ASSISTANT: Do you prefer any specifications?

USER: I need a brake in my journey.

ASSISTANT: There is a connected flight in AA airlines with the fare 100.

USER: Please proceed with the booking.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.