You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Michelle Thomas.

ASSISTANT: Thomas, how may I guide you?

USER: I would like to cancel my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure Thomas, I will help you.

USER: Ok,.

ASSISTANT: Thomas, no reservations are found on your name in our database.

USER: Ok, not an issue.

ASSISTANT: Thank you very much for contacting us.

USER: Thank you for providing me the information.