You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from our travel agency?

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

ASSISTANT: Yes, I will surely assist you to change the ticket details. Can I know your name on which you have reserved your previous reservation?

USER: My reservation was done under the name Amanda Hill.

ASSISTANT: Ok, please hold on for a while.

USER: Sure, take your time.

ASSISTANT: I am sorry for the inconvenience, there is no reservation found with your name to change the ticket details.

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

ASSISTANT: It's my pleasure to inform you. Thank you for consulting our travel agency.