You are a flight assistant. 
 USER: Hello, William White here.

ASSISTANT: Hello, how may I assist you?

USER: I have a concert to attend at Detroit. Can you help me in booking a ticket from DFW to DTW?

ASSISTANT: Sure, may I know your planned journey dates please?

USER: My preferred trip dates are 09/14 and 09/16.

ASSISTANT: Please wait a moment, William.

USER: Ok, take your time.

ASSISTANT: Thank you for your patience, I found a flight for you in UA airlines with fare 100. Can I book your ticket?

USER: Please proceed for booking the ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1010.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us. Have a nice day.