You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I would like to change my flight reservation as my trip got postponed, can you please help me?

ASSISTANT: Sure, will you please let me know your name?

USER: Timothy Evans.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.