Hello.
user
Hello. How may I assist you?
assistant
Myself John Roberts, can you help me to change my reservation I did last week?
user
Yes, I can help you. Give me a moment.
assistant
Thank you for assisting me, I will wait for the response.
user
Sorry to inform you that there is no reservation found on your name.
assistant
That's ok, thank for the expeditious service.
user
Thank you for contacting us.
assistant