You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I am Brandon Brown, want to book a flight ticket to Boston with price under 200. Can you please help me with it?

ASSISTANT: When are you planning to travel?

USER: Travelling dates are 04/19 and 04/21.

ASSISTANT: Could you please provide your airport codes.

USER: Airport codes are MSP-BOS.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: UA airlines with single connection and price is 100 of 1003 flight. Shall I proceed for booking?

USER: Yes, you can proceed with booking?

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you.