You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you?

USER: I am Scott Allen, I just want to cancel my recent reservation due to medical emergency. Can you aid me?

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation in your name.

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thank you for using our service.