You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to my health issue, so can you please help me with this?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: My name is Justin Robinson.

ASSISTANT: Just a moment, let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Justin Robinson, I found your reservation. Shall I cancel it?

USER: Yes, please cancel it.

ASSISTANT: Your ticket is cancelled successfully.

USER: Thank you for the help.

ASSISTANT: Thank you very much for contacting our agency.