You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Melissa Martinez.

ASSISTANT: How can I serve you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure. I am here to help you. Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, No issues. Thank you.

ASSISTANT: Thank you for picking us.