You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you aid me to book a ticket from OAK to SFO?

ASSISTANT: Sure, please help me with your travel dates.

USER: Thank you. My travel dates are Dec 24 and Dec 26 respectively.

ASSISTANT: May I know your name?

USER: William Gonzalez here.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a break in my journey.

ASSISTANT: Do you have any other preferences?

USER: My depart should be in the morning.

ASSISTANT: Delta Airlines is providing direct flight on this route with a ticket fare of 100 and flight departs at 8:00 hours and arrives at 14:00 hours, shall I book your ticket in this flight?

USER: Please proceed for booking.

ASSISTANT: Your booking is confirmed and the flight number is 1015.

USER: Thank you.

ASSISTANT: Thank you for reaching us.