You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you help me out?

ASSISTANT: Sure, please provide me your name.

USER: My name is Stephanie Carter.

ASSISTANT: Sorry Carter, no reservation found by your name in our website.

USER: No issues, thank you for the information.

ASSISTANT: You are welcome.