Hello.
user
Hello. How may I guide you?
assistant
I want to change my existing reservation due to some problems, can you please help me in this condition?
user
Sure, I will help you. Can you please tell me your name?
assistant
Thank you. Sure, my name is Elizabeth Collins.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry to inform you, there is no reservation found with your name in our database.
assistant
Ok, no problem. Anyways, thank you for your service.
user
You are welcome. Thank you for reaching us.
assistant