You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Emma Martinez.

ASSISTANT: Emma, how may I oblige you today?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: I am mirthful to help you. Hold on for a moment please. Let me check.

USER: Sure.

ASSISTANT: Sorry Emma, there are no flights reserved on your given name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.