Hello.
user
Hello. What can I do for you?
assistant
I made a reservation earlier in the wrong date unknowingly, Can you please change my existing reservation?
user
Sure, I am happy  to help you. Can you please tell me your name ?
assistant
I am Samuel Campbell.
user
Ok, please give me a moment.
assistant
Sure.
user
Sorry to intimate you that, I haven't found any reservation on your name to change the ticket details.
assistant
Ok, Thank you.
user
You are most welcome. Thank you for reaching us.
assistant