You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Unfortunately, I want to cancel my reservation which is done recently due to health issues, can you please help me in this intent?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait for a while, I will get back with your details.

USER: Sure, take your time.

ASSISTANT: May I know your name please?

USER: Sure, my name is Frank Gonzalez.

ASSISTANT: I am sorry to say that there is no flight found under your name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your appreciable service.

ASSISTANT: Have a great day.