You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Hall.

ASSISTANT: How may I help you?

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, just a moment please.

USER: Ok.

ASSISTANT: I am sorry no reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.