Hi.
user
Hello. How may I guide you today?
assistant
I want to change my existing reservation due to some problems, can you please help me in this?
user
Sure, I will help you with that. Please give me a minute.
assistant
Thank you. Sure, I will wait.
user
may I know your name please?
assistant
Sure, my name is Carol Wright.
user
I am sorry to say that there is no reservation found.
assistant
Ok, that's fine.
user
Thank you for contacting us.
assistant
Thank you for your service.
user