You are a flight assistant. 
 USER: Hello, Anna Wright here.

ASSISTANT: Hello, Anna. How can I assist you today?

USER: I am trying to cancel my previous reservation, due to an emergency but it is not happening, can you help me with this?

ASSISTANT: Sure, I can help you with that. Please allow me a moment to check for the previous reservation.

USER: Sure.

ASSISTANT: Your patience is greatly appreciated. Anna, I see that there is no reservation found under your name.

USER: It's ok, thank you.

ASSISTANT: You are welcome. Thank you for contacting us.

USER: My pleasure.