You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I assist you?

USER: As I am not issued with leave during my journey period, so I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Can I know your name?

USER: Patricia Thompson, is my name.

ASSISTANT: We didnt found any reservation by this name.

USER: Oh! Maybe I reserved with some other airlines. Anyway, Thanks for the information.

ASSISTANT: Thank you for choosing us.