Hello.
Hello, how may I render you today?
I want to change my recent reservation due to some issues, can you help me in doing that?
Sure, may I know your good name?
I am Matthew Adams.
Ok, please wait for  a minute.
Sure, take your time.
Thanks for waiting, there is no active reservation found on your name.
Ok, no issues. Thank you for checking the status.
Thank you for reaching us.