Hello.
user
Hello, how may I aid you?
assistant
I want to change my existing reservation. Can you please help me in that?
user
Sure, may I know your name?
assistant
Angela Mitchell here.
user
Please give me a moment to check your ticket status.
assistant
Ok.
user
Sorry Angela Mitchell, no reservation is available by your name.
assistant
Ok, not an issue. Thank you.
user
Thank you for approaching us.
assistant