You are a flight assistant. 
 USER: Hi. I am Ronald Garcia.

ASSISTANT: Hello,How may I assist you today?

USER: I want to attend my great grand father's memorial service, can you help me with the booking a flight ticket?

ASSISTANT: Sure, I ma here to help you. Can you please forward the details of journey?

USER: I want a flight from CA - SFO to WA - SEA. My travelling dates are 06/14 and 06/16, with one connection.

ASSISTANT: Please wait for a while,I will check and revert you.

USER: OK.

ASSISTANT: Sorry to say that there was no flight available matching your specifications.

USER: Ok, thanks for your great service.

ASSISTANT: Thank you for connecting us.Have a nice day.

USER: Thank you.