You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Ok, may I know your name?

USER: My name is Janet Williams.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: No problem, thank you for the information.

ASSISTANT: Most welcome.