You are a flight assistant. 
 USER: Hello, I am Melissa Garcia.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my reservation, could you help me in the cancellation?

ASSISTANT: Sure, wait a minute.

USER: Ok.

ASSISTANT: There was no reservation found on your name.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.