Hi, I am Andrew Clark.
user
Hello Clark, how can I help you?
assistant
Owing an emergency need to change my existing reservation, can you help me with it please?
user
Sure, I will help you in this. Wait for a moment please, to check your reservation status.
assistant
Sure.
user
Clark, I did not found any reservation with your name.
assistant
That's ok, thank you for the response.
user
My pleasure, have a nice day.
assistant