You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Edward Parker.

ASSISTANT: Ok.

USER: I want to cancel my reservation due to my bad health conditions. Can you help me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no reservation found with your name.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Ok, thank you for opting us.