You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: My name is Betty Harris. I want to attend graduation day in my college at Los Angeles, CA-LAX on 12/10. Could you please help me in booking a flight ticket from Oakland, CA-OAK and return on 12/12?

ASSISTANT: Sure, just let me check the availability of the flight.

USER: Ok.

ASSISTANT: I am glad that a flight is available according to your requirement. Details are: airline- UA, flight number- 1019 and price- 100. If you want me to book a ticket of this flight then please mention on whose name it should be reserved.

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket has been booked. Thanks for reaching out to us.

USER: Thank you for your help in booking a ticket.

ASSISTANT: Congrats for your graduation.

USER: Thank you.