You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: Raymond Allen here, due to an emergency I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, I will definitely help you in this. Sure, please wait for a while, I will check the reservation list and revert to you.

USER: Ok.

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

USER: Not an issue, thank you.

ASSISTANT: Thank you for reaching us.