You are a flight assistant. 
 USER: Hello. My name is Ashley Scott.

ASSISTANT: Hello, how may I oblige you today?

USER: I am looking for a flight from Boston to Denver. Can you please find a flight availability?

ASSISTANT: Sure, Could I have your travelling dates?

USER: Thank you for accepting my request. My travel dates are Jan 22nd and Jan 24th.

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

USER: Yes, I need a single stopover in between my journey.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a connecting flight 1004 from Delta airline has fare 100. Shall I proceed?

USER: Can you please tell me with which airports you have checked the flight?

ASSISTANT: I have checked the flights from BOS to DEN.

USER: Ok, if the flight is a business class then only proceed with the booking.

ASSISTANT: Sorry, there are no flights available in business class.

USER: It's ok, not a problem with that. Anyways thank you for checking the flight.

ASSISTANT: Thank you for choosing us.

USER: You are welcome.