You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Jack Smith here, I would like to travel from IAD to meet my friend. can you please help me to book a ticket to DEN?

ASSISTANT: Sure, we are perky to help you. Do you prefer any halt in between your journey?

USER: I need a connecting flight with price 500.

ASSISTANT: May I know when you have planned to travel?

USER: My travelling dates will be on 11/02 to 11/04.

ASSISTANT: Ok, please wait a moment, let me search a flight for you. Thanks for your precious time. We found Southwest airline fare of 500. Shall I proceed for booking with single stopover flight?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been confirmed with airline number 1003.

USER: Thank you.

ASSISTANT: Thank you for choosing us.