You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I have to attend a Music Concert at Phoenix, could you please help me with booking a flight ticket from EWR to PHX?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: I would like to depart on Nov 17th and return on Nov 19th.

ASSISTANT: May I know your connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a business class ticket.

ASSISTANT: Ok, please let me know your name.

USER: I am William Lopez.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for choosing us.