You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you now?

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

ASSISTANT: Sure. Please share your name to cancel your reservation.

USER: I am Jessica Parker.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation to cancel.

USER: Ok, not a problem. Thank you.

ASSISTANT: Thanks for reaching us, have a nice day.