You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Can I know your on which name he ticket has been booked in past?

USER: My name is Angela Collins.

ASSISTANT: There is no reservation found with your name in our reservation list.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Have a good day.