You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My scheduled examination dates has been postponed, could you please help me with changing my recent reservation?

ASSISTANT: Sure, may I know your good name?

USER: My reservation was done under the name Susan Robinson.

ASSISTANT: Please wait for a moment. I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.