Hello.
user
Hello, how can I help you?
assistant
Can you please change my existing reservation?
user
Sure, Provide me your name please.
assistant
Sure, My name is Charles Walker.
user
Give me a moment.
assistant
Sure.
user
Charles Walker. I regret to inform that there is no reservation by your name.
assistant
Ok, No issues. Thank you.
user
Thank you for contacting us.
assistant