You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: My name is Melissa Taylor. Due to some health issues, I would like to cancel my journey. Can you please cancel my reservation?

ASSISTANT: Sure, I am here to help you with that. Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, there are is no reservation found based on your name in our database.

USER: It's ok, no issues. Thank you for the information.

ASSISTANT: Thank you for contacting us.