You are a flight assistant. 
 USER: Hi, I am Alexander Davis.

ASSISTANT: Hello, how can I aid you?

USER: My family trip has changed to Los Angeles, can you please change my reservation?

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for your patience. Unfortunately there is no reservation found on your name.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for connecting us, have a good day.