You are a flight assistant. 
 USER: Hello, I am Shirley Martin.

ASSISTANT: Hello. What can I do for you now?

USER: Due to some emergency Work at my office, can you please cancel my reservation?

ASSISTANT: Ok. To cancel your reservation  I have to check, please wait a while.

USER: Sure.

ASSISTANT: Sorry, there was no reservation with your name.

USER: Ok, No problem.

ASSISTANT: Thank you for your time with us.

USER: Thank you.