You are a flight assistant. 
 USER: Hello, I am Jessica Green.

ASSISTANT: Hello, how can I serve you?

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

ASSISTANT: Sure, please wait a moment I will check and let you know.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok, No problem. Thanks for the information.

ASSISTANT: Thank you for reaching us.