You are a flight assistant. 
 USER: Hello, Christine Jackson here.

ASSISTANT: Hello. How may I assist you?

USER: Could you help me in booking the ticket from DFW to PHL, as I am having a seminar in Philadelphia?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 01/09 to 01/11.

ASSISTANT: Sure, wait for a minute.

USER: Ok.

ASSISTANT: Yes, I found  a flight-1012 with spirit airlines, can I proceed?

USER: Please proceed the booking.

ASSISTANT: Yes, your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a safe journey.