You are a flight assistant. 
 USER: Hello, I am Sarah Robinson.

ASSISTANT: Hello. In what aspect I may help you today?

USER: I want to visit Metro Politan Museum at JFK. So, can you help me in booking a flight ticket?

ASSISTANT: Sure.

USER: My source point is PHX and travelling dates are from 06/17 to 06/19.

ASSISTANT: Ok. Wait for a while, I will get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. We found that there was no flight with your information.

USER: OK, thanks for the information.

ASSISTANT: Thanks for contacting us.