You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me with booking a flight ticket from MSP to BOS?

ASSISTANT: Sure, can you share your trip dates?

USER: My planned trip dates are from Oct 11 to Oct 13.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight in my journey.

ASSISTANT: May I know your name?

USER: Sure, myself Frank Carter.

ASSISTANT: There is a connecting flight with number 1021 in airline Southwest, the fare is 100 in economy class. Can I book it?

USER: Yes, please book it.

ASSISTANT: Your ticket is reserved.

USER: Thank you very much in reserving my ticket for the flight-1021.

ASSISTANT: Thank you for opting us.