You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Janet Martinez. I want to meet my boss at New York, can you please book my flight ticket from ATL to EWR?

ASSISTANT: Sure, I will help you. Please help me with your planned travel dates.

USER: Sure, I will depart in the afternoon on Mar 17th and I will return back in the evening on Mar 19th.

ASSISTANT: Do you need a direct or connecting flight?

USER: I prefer for a single connection.

ASSISTANT: Please help me with your class preference.

USER: I am fine with any class.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Janet Martinez, I am really sorry to inform you that there are no active flights available for your journey.

USER: No problem, thank you for checking.

ASSISTANT: You are welcome. Thank you for reaching us. Have a great time.