You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good Morning.

USER: My name is Emma Taylor.

ASSISTANT: How may I guide you?

USER: I want to visit Epcot which is in OAK, could you book a ticket from LGA?

ASSISTANT: Sure, are there any preferable dates for you to travel?

USER: My preferable dates are from 06/20 to 06/22.

ASSISTANT: Ok Emma, please hold on for a moment.

USER: Sure, take your time.

ASSISTANT: Flight 1021 of UA airlines is available on your requested dates, can I proceed?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thank you, have a safe flight.