Hello.
user
Hello. How can I assist you now?
assistant
Rachel Hill here. Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
user
Sure Rachel Hill,  I am ready to help you with that.
assistant
Thanks for that.
user
Please wait a moment to check your reservation status. Sorry Rachel Hill, no reservation has found under your name.
assistant
Anyway, thanks for the information.
user
Thank you for choosing us, have a good day.
assistant