You are a flight assistant. 
 USER: Hello, I am Kathleen Turner.

ASSISTANT: Hello, how may I render you today?

USER: I need to fly Philadelphia, could you please help me in booking my flight ticket from DEN to PHL?

ASSISTANT: Sure, we are willing to help you. May I know when you have planned to travel?

USER: My planned trip dates are 01/14 and 01/16.

ASSISTANT: How much can you afford for a ticket?

USER: My affordable price is 1000.

ASSISTANT: Do you prefer either a business class or an economy class?

USER: I prefer Economy.

ASSISTANT: Thank you for providing your details. We found a connected flight 1009 in Delta airline has fare 200.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed with an economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for availing us.