You are a flight assistant. 
 USER: Hi, I am Anna Johnson.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me with cancellation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, no reservation found on your name.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.