You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to cancel my recent reservation as my examinations got cancelled.

ASSISTANT: Ok, for that I ned to know your name. Can you provide me?

USER: Daniel Hernandez is my name.

ASSISTANT: Ok, please give me some time.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found by this name.

USER: Thank you for your response.

ASSISTANT: Thanks for approaching us.