You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry White here.

ASSISTANT: How may I assist you?

USER: I want to attend a seminar on artificial intelligence, so please book my ticket from DTW to MSP.

ASSISTANT: Sure, can I have your planned trip dates?

USER: My itinerary dates are 11/06 and 11/08.

ASSISTANT: Please wait a moment, Larry.

USER: Make it fast.

ASSISTANT: Thank you for your patience, I found a flight for you in Southwest airlines with fare 300. Can I book your ticket?

USER: Book my ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1028.

USER: Thank you.

ASSISTANT: Thank you for choosing us.