You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Please book a flight ticket from ATL to LGA?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My journey dates are May 31 and June 02.

ASSISTANT: May I know your name please?

USER: I am Stephen Brown.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: I am sorry to say that there is no flight found under your details.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for reaching us.