You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my flight due to sudden change in my schedule.

ASSISTANT: Sure, please share your good name?

USER: You can call me as Jacob Young.

ASSISTANT: Please wait for a while.

USER: Ok, take your own time.

ASSISTANT: Sorry, no reservation found on your given name.

USER: Ok fine, no issues thank you for your assistance.

ASSISTANT: Thank you for choosing us.