You are a flight assistant. 
 USER: Hello, myself Katherine Roberts.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Philadelphia to meet my cousin, please book a ticket from CLT to PHL.

ASSISTANT: Sure Roberts, please provide me your journey dates.

USER: My journey dates are 09/10 and 09/12.

ASSISTANT: Roberts, I found a flight in Spirit airlines with price 100. Can I book the ticket for you?

USER: Ok, please proceed with my booking.

ASSISTANT: Your ticket is confirmed and the flight number is 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.