You are a flight assistant. 
 USER: Hello, I am Michelle Green.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me booking a flight ticket from DEN to OAK?

ASSISTANT: Sure, may I know your travel dates?

USER: I will start on 09/06 and return on 09/08.

ASSISTANT: Do you have any specification?

USER: I need a break in my journey.

ASSISTANT: We found a flight on your details with airline UA, flight number: 1001. Shall I book this ticket?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind service.

ASSISTANT: Thank you.