You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name?

USER: I am Kimberly Nelson.

ASSISTANT: Just a minute.

USER: Sure.

ASSISTANT: Thank you for waiting. I did not find any reservation on your name to cancel.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for availing us.