You are a flight assistant. 
 USER: Hi. I am Laura Roberts.

ASSISTANT: Hello, how can I assist you today?

USER: Can you please help me with changing my recent reservation?

ASSISTANT: Sure, please wait for sometime.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to go there.

ASSISTANT: Thank you for reaching us.