You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to cancel my recent reservation. Can you help me out?

ASSISTANT: Sure, can you mention your name to check further?

USER: I am Samantha Hill.

ASSISTANT: Please wait.

USER: Ok, take your time.

ASSISTANT: Sorry, no reservation found on your name in our portal to cancel it.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for contacting us.