You are a flight assistant. 
 USER: Hello, John Rodriguez here.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight from SFO to DCA, can you please help me?

ASSISTANT: May I know your dates?

USER: My travelling dates will be from 01/03 to 01/05.

ASSISTANT: There is flight with flight number 1020, can I proceed?

USER: Ok, please prceed with booking my reservation with this flight.

ASSISTANT: Your booking is done.

USER: Thank you for helping me out.

ASSISTANT: Most welcome.