You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, thanks for connecting with us, How can I help you?

USER: My name is Ronald Jackson.

ASSISTANT: Nice to meet you Jackson.

USER: My scheduled examination dates has been postponed, can you please change my recent reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found by your name.

USER: That's ok, no issues.

ASSISTANT: Thank you and have a nice day.

USER: Thank you for the information.