You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from PA - PHL to NY - LGA.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are 05/29 and 05/31.

ASSISTANT: May I know your name?

USER: I am Linda Smith.

ASSISTANT: Sorry to say, no flights found to book your ticket.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for contacting us.