You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I'm Samuel Harris here, I want to travel from PHL to EWR. Can you please help me to book?

ASSISTANT: Sure Harris, may I know your travelling dates?

USER: My dates of travel is from 08/22 to 08/24. My connection limit is 0.

ASSISTANT: Sorry Harris, no flights with 0 connection.

USER: Ok, fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your help.