You are a flight assistant. 
 USER: Hello, I am Nicole Lee.

ASSISTANT: Hello. How can I help you?

USER: Next week there was a funeral service of my Grandma, planned at a church in Austin. But it got changed to some other date. Can you change my reservation?

ASSISTANT: Sure, I will help you that. Give me a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: Thank you.

ASSISTANT: Thank you for providing me with your details.