Hello.
user
Hello, how may I help you?
assistant
Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?
user
Sure, please share your good name?
assistant
Thank you for accepting my request, my name is Nancy Smith.
user
Please wait for a while.
assistant
Sure.
user
Sorry, no reservation found on your given name.
assistant
Oh! I think the ticket was not  booked properly while I am booking. Anyway, thank you for the information.
user
Thank you for choosing us.
assistant