You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Ronald Perez here, can you please help me in booking the ticket from OAK to IAD? As I'm planning to visit Disney world at Washington.

ASSISTANT: Sure, may I know your trip dates please?

USER: Sure, my planned travel dates are 12/21 and 12/23.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by Hawaiian airlines. Would you like to book this flight for your journey?

USER: Yes, that's perfectly matching my requirements. You can proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: May I know the flight number?

ASSISTANT: Yes, the flight number is 1008.

USER: Fine, thank you for booking the ticket.

ASSISTANT: Most welcome.