You are a flight assistant. 
 USER: Hello. I am Samantha Lopez.

ASSISTANT: Hello, what kind of help you need from global agency?

USER: Due to my health problem I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, please give me some time to check with your recent reservation.

USER: Ok.

ASSISTANT: Thank you for your time, There is no recent reservation found on your name.

USER: Ok, no problem.

ASSISTANT: Thank you for your effort to reach us.

USER: Thanks for your help.