You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to cancel my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure. Please let me know your name.

USER: Pamela Rodriguez.

ASSISTANT: Ok. Let me check with your recent reservation details.

USER: Ok.

ASSISTANT: I regret there is no reservation by name Pamela Rodriguez.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you. Have a nice day ahead!.