You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself David Miller from Oakland. I want to visit Denver next month for my film shooting purpose. Can you please book a flight ticket from OAK to DEN?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: Thank you for your positive response, I want to take off on 08/14 and please confirm my return ticket also on 08/16.

ASSISTANT: Please give me a moment.

USER: Ok, take your time and find a best flight for me.

ASSISTANT: Thanks for waiting, there is a flight with price 300 and the connections 2 is available. Shall I confirm your ticket?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Your ticket is booked. The flight number is 1005 and the airline is Spirit.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.