You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Jessica Parker, want to travel from LGA to EWR.

ASSISTANT: Sure, may I know on what dates you need booking?

USER: My travelling dates are from 08/06 to 08/08.

ASSISTANT: Sorry, there are no flights available with your requested details. Thank you and have a nice day.

USER: That's fine, thank you.