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

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Ok. Please wait fora while, I will check your reservation.

USER: OK.

ASSISTANT: Thank you for being patience. There is no reservation found on your name.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you for approaching us.