Hello.
Hello. How ,may I guide you today?
I would like to change my existing reservation. Will you help me with this?
Sure, I will help you with that.
Thank you.
May I know your name please?
My name is Donald Walker.
Please wait for a minute.
Sure.
I am sorry to say that there is no reservation found under your name.
Ok, not an issue. May be something went wrong while making the reservation.
Thank you for reaching us.