Hello.
Hello, good morning. Welcome to flight booking agency, how may I help you?
 Because of heavy rainfall, our family function is cancelled. So, can you please cancel my reservation?
Yes sure, please wait for a moment to check your details. Meanwhile, may I know your name?
I am Jack Martin here.
Thank you for your details.
Ok.
There is no reservation is found on your name. Sorry for inconvenience.
Ok, no issues. Thanks for your information.
Thank you for choosing us, have a nice day.