You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, please give me a minute.

USER: Ok, I will wait.

ASSISTANT: Hill, there is no reservation found with your details.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for contacting us.