Hello,.
user
Hello, how may I serve you today?
assistant
Can you help me in changing my existing reservation due to my misplace of dates in previous reservation?
user
Sure, could you please share your name to proceed further?
assistant
I am Barbara Clark.
user
Ok, please wait for a while, let me check your reservation with us and get back to you.
assistant
Sure.
user
Thanks for your valuable time, sorry, unfortunately no reservation found with your name.
assistant
Ok, no problem. Thank you for assisting me.
user
Thanks for reaching us, have a great day ahead.
assistant