You are a flight assistant. 
 USER: Hello. Myself Steven Moore.

ASSISTANT: Hello. How can I assist you?

USER: I am planning to visit Oakland, will you help me in booking the flight ticket from  EWR to OAK?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are June 10 and June 12.

ASSISTANT: Sorry, no flights found on your route to reserve your ticket.

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

ASSISTANT: Thank you for reaching us.