You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to my official meeting trip got postponed.

ASSISTANT: Sure, can I know your name please?

USER: Can you help me for this one? Sure, Betty Turner here.

ASSISTANT: Sorry, no reservation found on your name in our portal.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for contacting us.