You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to change my recent reservation due to some personal issues, will you help me with that?

ASSISTANT: Sure, please provide me the name to check for the reservation status.

USER: Thank you for accepting my request. Myself William Allen.

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

USER: Ok, 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: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us with a query.