You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul White here.

ASSISTANT: How may I assist you?

USER: Can you help me to find a flight from SFO to IAD?

ASSISTANT: Paul White, may I know your planned dates?

USER: My travel dates are 02/10 and 02/12.

ASSISTANT: Flight-1019 is available for you. Can I book it?

USER: You can proceed with this flight.

ASSISTANT: Your booking is done.

USER: Thanks for your help.

ASSISTANT: Thank you.