You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, can you help me with your good name?

USER: My reservation was done under the name Nancy Miller.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.