You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Central Park at New York, could you please help me with booking a flight ticket from OAK to EWR?

ASSISTANT: Sure, I am glad to help you. May I know your journey dates?

USER: I would like to depart on Sept 10th and return on Sept 12th.

ASSISTANT: Ok, please share your connection limit.

USER: I need a connecting flight.

ASSISTANT: In which class, you prefer to go?

USER: I need a business class ticket.

ASSISTANT: Do you have any other specifications?

USER: I have no other specifications.

ASSISTANT: Ok, please mention your name.

USER: I am Edward Young.

ASSISTANT: Ok, please wait.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, no flights were found based on your schedule.

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

ASSISTANT: Thank you for choosing us.