You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How can I amend you today?

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

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Let me know your name for further process.

USER: My name is Pamela King.

ASSISTANT: No reservation found on your name Pamela King.

USER: Ok, no issues.

ASSISTANT: Thank you for availing us.

USER: Thanks for your kind response.