Hello.
user
Hello. How can I assist you today?
assistant
My name is Sarah Robinson. Due to sudden change in my trip I want to change my existing reservation.
user
Sure Sarah. I will help you with that. Please wait a minute.
assistant
Ok.
user
Thank you for waiting. Sorry Sarah, no reservation has found under your name.
assistant
It's Ok. Thank you.
user
Your welcome. Thank you for reaching us. Have a good day.
assistant