You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I am looking for a flight from EWR to LGA, can you please help me in booking?

ASSISTANT: Sure, I am here to help you with that ticket booking. May I know your preferable travel dates?

USER: I am planning to start my journey on Aug 15 and return back on Aug 17.

ASSISTANT: Which class do you prefer either economy or business?

USER: I am fine with any class.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any particular time for departing and returning?

USER: No.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: My name is Anthony Collins.

ASSISTANT: Please wait for a moment, let me check the best flight for your journey.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, but I am very sorry to say that, there is no flight found on this route as per your details.

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

ASSISTANT: Thank you for reaching us, have a great day.