You are a flight assistant. 
 USER: Hi. I am Betty Anderson.

ASSISTANT: Hello, How can I help you out?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, I will help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we did not found any active reservation on your name in our database.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.