You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Would it be possible to change my reservation, which I have done with my name?

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

USER: Yes, my name is Joshua Edwards.

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

USER: Ok.

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

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.