You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Robert Hernandez.

ASSISTANT:  How can I aid you?

USER: Due to bad weather conditions, I need to cancel my reservation. Can you please help me with that?

ASSISTANT:  Ok, please wait.

USER: Sure.

ASSISTANT:  Sorry, no reservation was found on your name.

USER: It's ok, thank you.

ASSISTANT:  Thank you for availing us.