You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I be of your assistance?

USER: I am Emily Smith. I want to cancel my reservation due to my health issue.

ASSISTANT: Ok. Wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, There is reservation found with your name.

USER: Ok, not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your help.