You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I need to fly to NY to visit Independence Hall in Sept 3rd and my return date will be on Sept 3rd, can you please help me in booking?

ASSISTANT: Sure, I am here to help you. May I know your airport codes clearly?

USER: Sure, I want to start my journey from ATL and my destination airport code is JFK.

ASSISTANT: Can I have your return date please?

USER: I need to return from NY on Sept 5th.

ASSISTANT: May I know your name please?

USER: I am Lisa Williams.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your other specifications please?

USER: No.

ASSISTANT: Lisa Williams, no flights has been found on your planned travel dates.

USER: That's ok, I'll choose any alternative to reach my destination. Thank you for your information.

ASSISTANT: Thank you for approaching us.