You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I have to do some modification in my previous flight ticket booking that there is a sudden event held at my home town, so I am unable to travel the trip. Can you please help me out in changing my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Myself Dennis White.

ASSISTANT: Your reservation is found. Please provide your trip dates.

USER: That's great to hear, my trip dates are from 01/26 to 01/28.

ASSISTANT: Can I know your airport codes?

USER: My airport codes are from OAK to SEA.

ASSISTANT: Do you need any other specifications?

USER: I need a single connecting flight.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Spirit Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 7:00 hours and arrives at 11:00 hours, shall I book your ticket in this flight?

USER: Please proceed.

ASSISTANT: Your ticket is changed in flight 1015.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.