You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. Please let me know, how can I be useful to you?

USER: My name is Samuel Martin, I want to cancel my recent reservation due to heavy rainfall.

ASSISTANT: Sure, I will help you with that. Please wait, let me check your reservation status.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry Samuel Martin, Unfortunately there is no active reservation on your name to cancel it.

USER: No problem, thanks for your help.

ASSISTANT: Thanks for reaching us.