You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from ATL to LGA?

ASSISTANT: Can I have your journey dates?

USER: Sure, I want to travel on July 14 and need to return on July 16.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Benjamin Anderson.

ASSISTANT: There are no flights available on your routes.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.