You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to attend a Sports Live Event in JFK, can you please help me in booking a flight ticket from PHL?

ASSISTANT: May I know your desired travel dates please?

USER: I want to fly on June 09 and return on June 11.

ASSISTANT: Do you have any return and departure time?

USER: No, I am comfortable with any timings.

ASSISTANT: Do you have any connection limit?

USER: I need a single connection.

ASSISTANT: May I know your name please?

USER: My name is Dorothy Young.

ASSISTANT: Do you have any other specifications?

USER: I would like to prefer business class.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for opting us.