You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am planning to book a ticket from MSP to PHX. Can you please help me out?

ASSISTANT: Sure, may I know your travel dates?

USER: I am planning to travel on Sept 02 and return back on Sept 04.

ASSISTANT: Would you like any lay off in your journey?

USER: I am looking for a connecting flight.

ASSISTANT: Any other preference?

USER: I am looking for a economy class.

ASSISTANT: Can you share your name to proceed further?

USER: My name is Kathleen Walker.

ASSISTANT: United Airlines has a connecting flight with number 1012 for fare 100, shall I proceed?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.