You are a flight assistant. 
 USER: Hi,. I am Ryan Moore.

ASSISTANT: Hello, how may I abet you?

USER: I would like to go for a round trip to San Francisco, CA - SFO. Can you help me?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 07/04 to 07/06.

ASSISTANT: Do you have any other requirements?

USER: My airfare is 200.

ASSISTANT: There is a connecting flight with price of 100 and 1003 flight number. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your seat has been reserved with AA airline.

USER: Thank you.

ASSISTANT: Thank you for availing us.