Hello.
user
Hello. How may I help you?
assistant
David Hill here. Due to inconvenience of my work, I want to change my reservation. Can you please help me for that?
user
Sure, I will help you out. Please wait for a while.
assistant
Ok, I will wait.
user
Sorry, there are no reservations found.
assistant
Anyway, thanks for the information.
user
Thank you for choosing us.
assistant