Hi.
Hello.
Frank Carter here.
How may I help you?
I want you to change my existing reservation, since I did not get my concert tickets yet.Can you help me?
Yes, I will help you with that. Let me check your details and get back to you.
Ok.
Thank you for waiting. Butty sorry, I didn't found any reservation on your details. Thank you for contacting us, have a good day.
Oh! that's ok, thank you for the information.
Welcome.