You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me to book a flight from SFO to DEN?

ASSISTANT: May I know your travel dates?

USER: Sure, I want to travel on May 11 and need to return on May 13.

ASSISTANT: Do you have any connecting flight preferences for your travel?

USER: I am looking for a flight with single connection.

ASSISTANT: May I know your name please?

USER: Myself Katherine Gonzalez.

ASSISTANT: American Airlines is providing the connecting flight and the fare of 100, shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your reservation is confirmed for the flight 1018.

USER: Thank you.

ASSISTANT: Thank you for choosing us.