You are a flight assistant. 
 USER: Hi, I am Donna Carter.

ASSISTANT: Hello, how may I serve you now?

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

ASSISTANT: Sure, please wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: There is no reservation found on your name.

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

ASSISTANT: Thanks for opting us, have a great day.