You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I best support you at this moment?

USER: Can you please cancel my reservation as the baby shower program which I want to attend got postponed?

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: On which name you made a reservation earlier?

USER: I made a reservation on the name of Michael Lopez on 04/30 to attend the function.

ASSISTANT: Please allow me two minutes to check the status of your reservation.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for your patience, no reservation was found on the name of Michael Lopez in the database.

USER: Not a problem, thanks for your prompt response.

ASSISTANT: Thank you for availing our service.