Hello.
Hello, how may I guide you?
Can you please help me in changing my reservation?
Can I know your name?
Ok. My name is Ruth Baker.
Please hold on for a moment while I check for any existing reservations with your name.
Sure, take your time.
I am sorry, there are no reservations with your name.
That's ok, thank you for your valuable time.
Thank you, have a good day.