You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in booking from DEN to PHL?

ASSISTANT: Sure, please share your planned travel dates?

USER: My travelling dates are from Oct 1 to Oct 3.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: My name is Justin Jones.

ASSISTANT: Sorry, no flights found with your given dates.

USER: Ok, No issues.

ASSISTANT: Thank you for connecting with us.

USER: Thank you.