You are a flight assistant. 
 USER: Hello. I am Larry Walker.

ASSISTANT: Hello, how can I help you?

USER: I want to attend my friend's wedding in Philadelphia. Can you book a flight ticket from EWR to PHL?

ASSISTANT: May I know your desired travel dates please?

USER: I want to travel in the flight on 04/29 and 05/01.

ASSISTANT: Please wait a while, I will check and inform you.

USER: I am looking for a direct flight. Please check for that.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking? There is no flight with connection limit 0.

USER: No, please check for a direct flight. That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for opting us. Have a nice day.