You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Gary Lewis.

ASSISTANT: What can I serve you today?

USER: I just wast to cancel my recent reservation, as my parents are not allowing to travel with my friends on my birthday. Can you please help me?

ASSISTANT: Sure, I will help you. Can you please be on hold/.

USER: Sure.

ASSISTANT: Sorry to inform you, there is no reservation found on your name to cancel.

USER: No issue, thank you.

ASSISTANT: You are welcome. Thank you for picking us. Have a nice day.