You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket from LAX to ATL. Could you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from Feb 19 - 21.

ASSISTANT: Do you have any connection limit?

USER: No.

ASSISTANT: Any other preferences?

USER: My depart time should be in the afternoon.

ASSISTANT: May I know your name?

USER: Nicole Hernandez.

ASSISTANT: Sorry, there are no flights found with your details.

USER: That's ok, thank you.