You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Stephen Perez here.

ASSISTANT: How can I assist you?

USER: I will be cancelling my reservation for now due to my health issues, can you help me?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: There is no reservation found under your name.

USER: Oh! That's sad, no issues with it. Thank you for checking.

ASSISTANT: Thank you for choosing us.