You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Edward Thomas. Can you help me to change my recent reservation?

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

USER: Sure.

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

USER: It's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.