You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,.

USER: Change the reservation with the name of Ruth Edwards.

ASSISTANT: How can I serve you? Sure, I will help you. Please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting, we did not find any reservation on your name.

USER: Ok, thank you.

ASSISTANT: Thanks for connecting us.