You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please change my reservation, due to change of my trip plan to another location?

ASSISTANT: Sure, can you help me with your name?

USER: My name is Jack Robinson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name in our database.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.