You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Please help me in booking flight ticket from HOU to IAD.

ASSISTANT: Sure, can I know your planned trip dates?

USER: My trip dates are Oct 30 to Nov 01.

ASSISTANT: Is there any other requirements, please let me know?

USER: I prefer to travel in connecting flight.

ASSISTANT: Please forward your name.

USER: Samantha King here.

ASSISTANT: We found a connecting flight with an airline Frontier of flight 1011 in business class. Can I proceed?

USER: It is perfect for me. You can reserve it.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you.