You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you to cancel your previous ticket. Can I know your full name please?

USER: My name is Jessica Turner.

ASSISTANT: Ok, please give me a minute.

USER: Ok, I will wait.

ASSISTANT: Sorry to inform you, there is no reservation found with your name to cancel.

USER: Anyway, thanks for the information.

ASSISTANT: You are welcome. Thank you for reaching us.