You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Pamela Martinez, want to travel from EWR to LGA.

ASSISTANT: May I know your trip dates?

USER: My travelling dates are from 07/17 to 07/19.

ASSISTANT: There is no flights available on this route.

USER: It's ok, thank you.

ASSISTANT: Most welcome.