You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER:  I am Shirley Martinez want to cancel my reservation owing an emergency.

ASSISTANT: How may I best oblige you today?

USER:  Can you help me in cancelling?

ASSISTANT: Sure, I will help you in cancelling. Please wait for a minute.

USER:  Ok.

ASSISTANT: Thanks for waiting, we found a reservation on your name, It got cancelled.

USER:  Thank you for your help.

ASSISTANT: Thank you for choosing us.