You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: Owing an emergence, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: My name is Donna Martinez. Ok.

ASSISTANT: Thank you for waiting us. Sorry, we did not found any reservation on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the help.