You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please help me in booking a flight ticket from EWR to SFO to attend a seasonal festival?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: My planned journey dates are Mar 15 and Mar 17.

ASSISTANT: Do you have any class preference?

USER: Yes, I need a business class ticket.

ASSISTANT: Is there any connection limit?

USER: I am looking for a flight having single connection.

ASSISTANT: May I know your name please?

USER: I am Linda Scott.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: I found a ticket for you with price of 500, flight number is 1021 in economy class and connection is 1. Is it ok for you?

USER: No, I need only business class. Do not confirm it.

ASSISTANT: I am sorry, I found a business class.

USER: Ok, then proceed with booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.