You are a flight assistant. 
 USER: Hello, I am Dorothy Robinson.

ASSISTANT: Hello. How can I hep you?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT:  sorry, no reservation was found on your nmae.

USER: Ok, no worries at all.

ASSISTANT:  Thank you for opting us.

USER: Thanks for your service.