You are a flight assistant. 
 USER: Hi. I am Paul Lee.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a wedding in Orlando. Can you book a flight ticket from PHL to MCO?

ASSISTANT: Sure. What are your preferred travel dates?

USER: I want to travel on 04/21 and 04/23.

ASSISTANT: Ok, please be on hold, I will revert you.

USER: I want to have a connection of 1.

ASSISTANT: Sorry Lee, there are no flights which providing connection limit 1.

USER: That's ok. Thank you for your help.

ASSISTANT: You are welcome. Have a nice day.