You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Yes, can you tell me your name?

USER: Thank you. Myself Joshua Jackson.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: Ok, no issues, Thank you for checking out.

ASSISTANT: Thank you for reaching us.