You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Andrew Perez.

ASSISTANT: How may I guide you today?

USER: I would like to visit ATL, can you please help me to book to book a flight from LGA?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Sure, my travel dates are Sept 21 and Sept 23.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. Sorry. I need a direct flight.

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

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.