You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Debra Wilson.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure, please allow me a moment to check for the status.

USER: Ok.

ASSISTANT: Thank you for waiting.

USER: My pleasure.

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

USER: No issues, thank you for checking.

ASSISTANT: Thank you for reaching us.