You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Elizabeth Adams. I need to cancel my reservation due to my planned programme got cancelled. Can you please help me with that?

ASSISTANT: Sure, give me a minute.

USER: Ok, take your time.

ASSISTANT: Sorry Adams, there is no reservation found on your name.

USER: It's ok fine. Thank you for your help.

ASSISTANT: Welcome.