You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Micheal Collins. I have a plan to visit DCA to meet my friend, can you please find a flight from OAK?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My trip dates are from 10/18 till 10/20.

ASSISTANT: Here, I found a direct flight for you.

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1000 and airline is Delta.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.