You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Hill.

ASSISTANT: How may I guide you now?

USER: Owing to an emergency, I would like to cancel my recent reservation. Will you help me with this?

ASSISTANT: Stephanie Hill, please allow me to check with your previous booking for a moment.

USER: Sure, take your own time.

ASSISTANT: Sorry to say, there is no flight reservation found by your name.

USER: Ok, not an issue. Thank you for providing information.

ASSISTANT: THank you for choosing us. Have a nice day.