You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Richard Scott. I am looking for a flight from LAX to ATL, can you help me out?

ASSISTANT: Your travelling dates please?

USER: My trip dates are from 04/23 till 04/25.

ASSISTANT: I am sorry no flights found on your route.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.