You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please assist me to change my destination code, can you please help me?

ASSISTANT: Sure, can you give me your name?

USER: Sure, I am Stephanie Adams.

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

USER: Ok, not a problem. Thank you.

ASSISTANT: Thank you for reaching us.