You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please help  me out?

ASSISTANT: Sure, I am here to help you out. May I know your name please?

USER: My name is Samantha Adams.

ASSISTANT: Samantha Adams, we haven't found any reservation under your name in our database.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for choosing us.