You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my reservation, so please help me in the cancellation.

ASSISTANT: Can you give me your name for checking?

USER: My name is Sharon Lewis.

ASSISTANT: Sorry, we did not found any reservation under your name.

USER: Not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.