You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Due to my ill health, I would like to cancel my recent reservation. Can you help me with this?

ASSISTANT: I am happy to help you, can you please provide me your name?

USER: My previous reservation has done with the name Jack White.

ASSISTANT: Jack, I will check your reservation status and get back to you.

USER: Sure, take your own time.

ASSISTANT: Jack, I have not found any reservation by your name in our database.

USER: Ok, not an issue. May be something went wrong while booking the ticket. Thank you for providing information.

ASSISTANT: You are welcome and take care.