You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Due to some health issue, I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, I will help you. May I know your name please?

USER: Sure, I am Debra Rodriguez.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT:  As per your request, we had cancelled your reservation.

USER: Ok, Thank you for your service.

ASSISTANT: Most welcome.