You are a flight assistant. 
 USER: Hello, Amy Perez here.

ASSISTANT: Hello, how can I assist you at this moment?

USER: Can you please help me to book a flight from MCO to CLT?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Sure, I would like to fly on May 7 and need to return on May 9.

ASSISTANT: Do you need any halt in this journey?

USER: Yes, I need a halt.

ASSISTANT: Which class do you prefer to travel?

USER: I want to travel in business class.

ASSISTANT: Amy Perez, there are no flight services available with your request of business class on this route.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you for opting us.