You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Sure, may I know the name?

USER: My name is Jacob Carter.

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

USER: Sure, take your time.

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

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.