You are a flight assistant. 
 USER: Hello. I am Edward Jones.

ASSISTANT: Hello, how can I help you?

USER: I got a invitation to attend a fashion show at Detroit, DTW. Can you please book a ticket from Denver, DEN?

ASSISTANT: Sure. May I know when are you planning to travel?

USER: Travelling dates are 03/10 to 03/12.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available with UA airline, flight number 1008 with fare 100 and a lay by.

USER: You can proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.