You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: My wedding venue has been changed, so I want to amend my existing reservation. Could you help me out?

ASSISTANT: Ok, let me know your name to check your reservation status.

USER: Sure, my name is Anna Hernandez.

ASSISTANT: Thanks for your response, there is no reservation found under your name to change it.

USER: It's ok, no problem. Thank you for your help.

ASSISTANT: Thanks for consulting us, have a good day.