You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Catherine Mitchell and I want to book the flight ticket from MSP to DTW. Can you please help me?

ASSISTANT: Sure, can you share your travel dates?

USER: My travel dates are July 15 and July 17.

ASSISTANT: Do you have any requirements?

USER: I need a single connection.

ASSISTANT: Let me now your name please?

USER: Catherine Mitchell.

ASSISTANT: United Airlines has a connecting flight with number 1009 for fare 200, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is confirmed in economy class.

USER: Thank you for the help.

ASSISTANT: Thank you or opting us.