You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to cancel my ticket due to my health issue, can you help me with that?

ASSISTANT: Sure, may I know your name?

USER: I am Jason Baker.

ASSISTANT: Please wait for a moment to check.

USER: Sure.

ASSISTANT: Sorry to say, no reservation found on your name.

USER: That's ok. Thank you for your service.

ASSISTANT: Thank you for reaching us.