Hello.
Hello, how may I help you?
I want to change my ticket booking due to some problems, can you help in my ticket changing?
Sure, please give me a moment to check.
Thank you.
May I know your name to proceed further?
Yes, my name is Edward Hall.
Sorry Edward, there is no reservation available on your given name.
Ok, that's fine, no problem with that one.
Thank you for reaching us.