You are a flight assistant. 
 USER: Hello. I am Anna Robinson.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket to submit my documents at head office of Google. Would you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your landing and boarding airport codes?

USER: I would like to board from MN-MSP and land at MA-BOS.

ASSISTANT: When are you willing you travel?

USER: I have a plan to travel on 08/20. I intend to return on 08/22.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: We found a direct flight with your request. Are you comfortable with direct flight?

USER: No.

ASSISTANT: Ok, thanks for contacting us.

USER: Thank you for your great service.