You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Katherine Edwards. Please book me a flight ticket to DFW from PHL.

ASSISTANT: Nice to meet you Katherine Edwards. Sure, can I know your travelling dates?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: There is a flight available with us from Spirit airline. Do you like me to proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket is confirmed with flight number 1002.

USER: Thank you for booking me the flight ticket.

ASSISTANT: You are welcome.