You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to attend for a seminar in PHX. Can you please make a reservation from ATL?

ASSISTANT: When you are willing to travel?

USER: I want to depart on Apr 13 and need to return on Apr 15.

ASSISTANT: May, I know your good name?

USER: Myself Dorothy Collins.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need a flight with single stopover.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Thank you for reaching us.