You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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. May I know your name please?

USER: I am Donna Thomas.

ASSISTANT: Ok, please stand by.

USER: Ok.

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

USER: Ok, no issues. Thanks for your quick response.

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