You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I want to change my recent reservation. Can you help me out?

ASSISTANT: Sure, may I know your name please?

USER: I am Mary Gonzalez.

ASSISTANT: Kindly, Standby.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.