You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I would like to cancel my reservation due to some health issues, can you please help me with that?

ASSISTANT: Sure, may I know your name?

USER: Thank you. Myself Benjamin Thompson.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Benjamin Thompson, no reservation is available by your name.

USER: That's ok, no problem. Anyway thank you for checking out.

ASSISTANT: Thank you for choosing us.