You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you at this moment?

USER: Can you avail me to book a flight from ATL to DEN?

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: My trip dates are May 01 and 03.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to depart in the morning time.

ASSISTANT: Can I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name please?

USER: Karen Anderson here.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a great day.

USER: Thanks for the information.