You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Jerry Rodriguez.

ASSISTANT: Nice to meet you Jerry Rodriguez.

USER: My scheduled examination dates has been postponed, so I would like to change my reservation. Can you please help me with that?

ASSISTANT: Sure, I can help you. Just hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found with your name in our records. May be on that day you didn't done your reservation properly.

USER: Ok, no issues. Anyways, thank you for the information.

ASSISTANT: Thank you for contacting us.

USER: You are welcome.