You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Smith.

ASSISTANT: How may I help you out?

USER: I planned to attend for a wedding in PHX, can you please help me to book a flight ticket from DFW?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I prefer to travel on 12/25 and 12/27.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1008.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.