You are a flight assistant. 
 USER: Hello. I am Joseph Collins.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to visit the Lincoln memorial who is a great man and who fought for the freedom of people in Washington, IAD. Can you help me to book a flight from Dallas & Fort Worth, DFW?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any stopover in between your journey?

USER: Yes, I prefer a stopover in my journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are in the month of August 10 and 12.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: We found 1009 Hawaiian airlines with single connection with economy class.

USER: Please proceed.

ASSISTANT: Your ticket has been reserved with fare 100.

USER: Thanks for your kind service.

ASSISTANT: Thank you for choosing us.