You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend a tennis competition in New York EWR from Atlanta ATL. Can you find a ticket for me?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Ok, my planned trip dates are on July 24 and return on July 26.

ASSISTANT: Do you want connecting flight?

USER: Ok, I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: Yes, I want a business class.

ASSISTANT: May I know your name please?

USER: Yes, I am Andrew Robinson.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: Thank you for opting us.