You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Jack Mitchell. I want to book a ticket from CLT to DTW to meet my uncle in Detroit.

ASSISTANT: Ok, let me know your planned dates please.

USER: I am departing on 12/20 and return on 12/22.

ASSISTANT: There is a flight for you in Southwest airlines with price 100. Shall I proceed?

USER: Please proceed for booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.