You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Jack Evans here. I want to cancel my recent reservation due to the cloud, will you help me over that?

ASSISTANT: Sure, I can help you with that.

USER: Ok.

ASSISTANT: Please allow me a moment to check the details for you.

USER: Sure.

ASSISTANT: Jack, I have checked and see that there is no reservation found under your name.

USER: Ok, thank you for your information.

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