You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I'm Paul Turner. can you please book me a ticket from ORD to PHL?

ASSISTANT: Sure, can I know your travel dates?

USER: My travelling dates are 07/15 and 07/17.

ASSISTANT: Give me a minute, let me check the details.

USER: My connection limit is 1. OK.

ASSISTANT: Sorry Paul, I couldn't find any flights on your requested dates.

USER: Ok, fine. Thank you for your information.

ASSISTANT: You are welcome.