You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation due to postpone of my event. Could you please help me?

ASSISTANT: Yes, can you tell me your name?

USER: I am Ashley Adams.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you for contacting us.