You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Jackson.

ASSISTANT: How can I assist you?

USER: I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name to cancel.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.