You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Kimberly Lewis. I am planning to visit EWR to meet my friend, cn you please find a flight from SFO?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: My travelling dates are from 04/11 till 04/13.

ASSISTANT: Sorry, there is no flight is found on your route.

USER: It's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.