You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please aid me to change my recent reservation?

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

USER: Sure, myself Christine Hall.

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

USER: Sure, I will wait.

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 fine, not an issue. Anyway thank you for checking.

ASSISTANT: Thank you for reaching us.