You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: I just want to cancel my trip due to some reasons.

ASSISTANT: Ok. may I know your name?

USER: My name is Sarah Rodriguez.

ASSISTANT: Sorry for the inconvenience, there is no reservation found on your name.

USER: Thank you for your information.

ASSISTANT: You are welcome.