You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Paul Williams. I want to book a ticket from PHL to ORD to attend my friend reception can you help me for booking?

ASSISTANT: Sure, may I know your dates of journey please?

USER: My travel starts from 01/30 to 02/01. Make sure that connection limit is 1.

ASSISTANT: Sorry, for the inconvenience.

USER: It's Ok.

ASSISTANT: Sorry Paul, there is no flight is available as per your details.

USER: That's fine.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your services.