You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, good evening. What kind of help you are expecting from me?

USER: I have heard that there is a weather change on the day I did my flight booking. So, I don't want to take any risk with my journey.

ASSISTANT: May I know you want to cancel or change reservation?

USER: I am willing to cancel my reservation which was done on the name of Emma Phillips.

ASSISTANT: Ok, wait a moment I will get back to you. Sorry Emma, there is no reservation found on your name.

USER: It's ok no issue. Thank you for your services.

ASSISTANT: You are welcome.