You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am David Wilson.

ASSISTANT: In what way can I help  you?

USER: I want to cancel my recent reservation, due to heavy rains.

ASSISTANT: Ok.

USER: Can you please help me with that?

ASSISTANT: Sure, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: No reservation was found on your name to cancel.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.