You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Robert Gonzalez. I am planning to book a ticket from EWR to LGA. Can you please help me out?

ASSISTANT: Sure, I am here to help you with that. Could you send me your travelling dates?

USER: I would like to travel on 09/08 and return back on 09/10.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

USER: That's fine. Thank you for your servcie.

ASSISTANT: Thank you for reaching us.