You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you?

USER: I need to amend my reservation, can you help me out?

ASSISTANT: Sure, please let me know your name to check the reservation list and revert you.

USER: Myself Susan Moore.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We could not find any reservation by the name you provided.

USER: That's ok, not an issue. Thank you for your help.

ASSISTANT: Thank you for choosing us.