You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: Charles Hall here. I want to cancel my reservation as my health is not well, can you help me with it?

ASSISTANT: Sure, I am here to help you in that.

USER: Please check with my previous booing status.

ASSISTANT: Sorry Hall, there is no reservation found on your name.

USER: Oh! That's fine. Anyways, thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.