You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in changing my existing reservation?

ASSISTANT: Sure, may I know the name to check for the status?

USER: Edward Wright here.

ASSISTANT: Please be on hold, I will get back to you in a minute.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

ASSISTANT: Here, there is no active reservation have been found under your name in our database to amend it.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.