You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Owing to emergency, I just want to cancel my recent reservation. Can you please help me?

ASSISTANT: May, I know your good name?

USER: My name is Jessica Parker.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.