You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Ryan Rodriguez. Will you be my helping hand in cancelling my reservation as the meeting which I have scheduled to attend got postponed?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found on given name.

USER: It's ok, thank you for your response.

ASSISTANT: Thank you for reaching us.