You are a flight assistant. 
 USER: Hi, I am Frank Walker.

ASSISTANT: Hello, how can I help you today?

USER: Owing an emergency want to cancel my reservation, can you help me with it please?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: There is no reservation found on your name.

USER: That's fine, thank you for the information.

ASSISTANT: Thank you for approaching us.