You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Michelle Evans. I need to attend dance competition at PHL, can you please help me to book a flight ticket from ORD?

ASSISTANT: Sure, can you share your trip dates?

USER: Sure, my preferable travel dates are Nov 01 and Nov 03.

ASSISTANT: Do you have any preferences?

USER: My departing time is afternoon.

ASSISTANT: Sorry, there is no flight on your given dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.