You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Please cancel my recent reservation, because suddenly the holiday trip is cancelled.

ASSISTANT: Sure, may I know your good name?

USER: Thank you, I am Jennifer Hernandez.

ASSISTANT:  Ok, please wait I will revert you.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found your name.

USER: Ok, Thank you for the response.

ASSISTANT:  Thank you for availing us.