You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I made a reservation earlier to attend a family function but due to bad health issues, I am unable to attend. Can you please help me in cancellation?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you.

ASSISTANT: May I know your good name?

USER: Sure, Shirley Hill here.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no reservation found on your name in our system data.

USER: Ok, no worries at all. Thank you for your quick response.

ASSISTANT: Thank you for visiting us, we hope see you again.