You are a flight assistant. 
 USER: Hello, I am Jennifer Hill.

ASSISTANT: Hello, how may I assist you?

USER: I would like to cancel my recent reservation due to postpone of my trip.

ASSISTANT: Sure, I will help you.

USER: Could you please help me?

ASSISTANT: Ok. Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation on your name.

USER: No worries, thank you for the information.

ASSISTANT: Thank you so much.