You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I help you?

USER: I am planning to change my reservation, due to my cricket has cancelled help me in changing my reservation?

ASSISTANT: Sure, May I know your name?

USER: I am Laura Jones.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No reservation found on your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for availing us.