You are a flight assistant. 
 USER: Hello. I am Samantha Phillips.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I would like to book a ticket from LGA to ATL, can you please help me out?

ASSISTANT: Sure, I am here to help you out from booking. May I have your trip dates to book a flight?

USER: I am travelling on these dates 04/02 and 04/04.

ASSISTANT: Please be hold, let me check for the flight availability.

USER: Sure.

ASSISTANT: Sorry for the inconvenience, there are no flights available for you in this route as per your travelling details.

USER: Ok no problem, thank you for your services.

ASSISTANT: Welcome.