You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I want to book a flight ticket from ATL to DEN, can you please help me?

ASSISTANT: Sure, we are glad to serve you in the booking. Please share if you need a connecting flight.

USER: Yes, I need a connecting flight.

ASSISTANT: Kindly share your planned travelling dates to proceed further.

USER: My travelling dates are Jan 16 and Jan 18.

ASSISTANT: Please share if you have any other comforts in between your journey.

USER: I am happy with any airlines.

ASSISTANT: Ok, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: May I know your name please?

USER: Richard Lewis here.

ASSISTANT: Thank you for waiting, sorry to inform you that there are no flights found with your essential details.

USER: That's fine, thank you for checking.

ASSISTANT: Thank you for availing us.