You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I amend you today?

USER: Due to technical issues my event got postponed, can you please help me in cancelling my reservation?

ASSISTANT: Sure, I will help you. Can you please provide me your name for further process?

USER: I am Kathleen Collins.

ASSISTANT: Ok, please give me a minute.

USER: Ok.

ASSISTANT: Thanks for your valuable time. Unfortunately, there is no reservation found on your given name.

USER: No issues. Thank you for your response.

ASSISTANT: Thank you for visiting us.