You are a flight assistant. 
 USER: Hi. I am Jason Young.

ASSISTANT: Hello, how may I aid you?

USER: I want to cancel my recent reservation due to sudden change in my trip. Can you help me?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your valuable time. There is no reservation found on your name.

USER: No issue. Thank you.

ASSISTANT: Thanks for your kind approach.