Hi.
Hello.
Can you help me to change my reservation?
Sure, I am here to help you. Can I have your name please?
My name is Eric Robinson.
Ok, please wait a minute while I am checking your ticket status.
Sure, take your time.
Sorry for the trouble which is caused to you, I haven't found your ticket in the confirmation chart list. So, I am unable to modify.
Ok, no issues. Thank you for your help.
Thank you for the positive response. You are welcome.