You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Actually, I want to cancel my reservation which is done recently due to some health issues, can you please help me?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Pleas, wait for a moment.

USER: Sure, I will wait.

ASSISTANT:  Sorry, no reservation found on your name to cancel. May I know your good name please?

USER: That's ok. Sure, my name is Pamela Johnson.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thank you for your service.