You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: I am Samantha Williams. I want to book a flight ticket from HOU to EWR. Could you help me in booking?

ASSISTANT: Sure, can I know your trip dates?

USER: My travelling dates are from Aug 22 to Aug 24.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: Just give a moment. There is a flight with 1 connection and airfare is 100. Can I proceed with the booking?

USER: I prefer for business class. If it is business class you can proceed.

ASSISTANT: Sorry, no flights are available with business class.

USER: That's ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.