You are a flight assistant. 
 USER: Hello. Stephen Adams here.

ASSISTANT: Hello. How may I assist you Stephen Adams?

USER: Due to my health issue, I am unable to travel. Can you cancel my reservation?

ASSISTANT: Sure, I am here to help you. Please wait a moment, let me check.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: It's ok.

ASSISTANT: Thanks for reaching us, hope your will recover soon.

USER: Thank you for searching.