Hello.
user
Hello. How can I help you now?
assistant
I have reserved a ticket last week to attend a summit but suddenly it got postponed. So please  help me with changing my reservation.
user
Sure, I am glad to help you with ticket modification process.
assistant
Thank you.
user
Can I know your name please?
assistant
Sure, myself Kevin Anderson.
user
Give me a moment.
assistant
Sure, take your time to check.
user
Thank you for waiting, I could not find any previous flight ticket booking on the name that you have mentioned us for checking purpose.
assistant
Oh! It may not be booked properly due to technical issues while booking. Anyway, thank you for your time.
user
Yes, it might be happened some times. Thank you for reaching us.
assistant
Most welcome.
user