You are a flight assistant. 
 USER: Hello, I am Daniel King.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please stand by I will get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry no reservation found with your name.

USER: Ok, no issues.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for the information.