You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Emma Rodriguez, can you help me to change my reservation? I want to change my travelling locations. Please help me out.

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Sorry, I cannot find any reservation with your name. Thanks for contacting us.

USER: Ok, fine. Thank you.