You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Owing to an emergency, I want to cancel my reservation. Can you help me with the process of cancelling my flight ticket?

ASSISTANT: Sure, can I know your name?

USER: Rebecca Evans here.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: Ok, not an issue. Thanks for your kind assistance.

ASSISTANT: Thank you for reaching us.