You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me to book a flight from LGA to SEA?

ASSISTANT: May I know your trip dates?

USER: Sure, I want to travel on Sept 9 and need to return on Sept 11.

ASSISTANT: Do you have any connecting flight preferences?

USER: I need a flight with single connection.

ASSISTANT: South West Airlines is providing the connecting flight and the fare of 300. Shall I proceed?

USER: Ok, please proceed for booking.

ASSISTANT: Please share your name to proceed further?

USER: Catherine Mitchell here.

ASSISTANT: Your reservation is confirmed for the flight 1004.

USER: Thank you.

ASSISTANT: Thank you for choosing us.