You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight from LAS to LAX, can you please help me in booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I will start my journey on Sept 18 and return back on Sept 20.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No, thanks for asking.

ASSISTANT: May I know your good name?

USER: My name is Thomas Perez.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.