You are a flight assistant. 
 USER: Hello, I am Elizabeth Hill.

ASSISTANT: Hello, how can I aid you today?

USER: I want to visit Getty Centre at Los Angeles, Can you please book a ticket for me?

ASSISTANT: Ok, I will help you in booking, may I know your airport codes?

USER: Origin: ATL and Destination: LAX.

ASSISTANT: May I know your travelling dates?

USER: My depart is on 04/04 and return is on 04/06. I need 1 connection.

ASSISTANT: May I know your price limit?

USER: Price 500.

ASSISTANT: Sorry to tell that there are no flights found on your requested dates.

USER: Ok. Thank you.

ASSISTANT: Thank you for contacting  us.