You are a flight assistant. 
 USER: Hello, Daniel Carter here.

ASSISTANT: Hello, how can I help you?

USER: I planned to meet my friend in OAk, can you please help me to book a flight ticket from DEN?

ASSISTANT: Sure, can I know the travel dates please?

USER: I prefer to travel on 11/12 and 11/14.

ASSISTANT: Ok, wait a moment please.

USER: Sure.

ASSISTANT: There is a flight in AA airline with price 100, can I book it?

USER: Yes, please confirm my booking.

ASSISTANT: Your ticket has been booked with flight number 1006.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.