You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Deborah Martinez.

ASSISTANT: How can I aid you?

USER: I am planning to change my reservation, can you help me in that?

ASSISTANT: Sure, please be on hold.

USER: Ok.

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. That's ok, thank you.

ASSISTANT: Thank you for reaching us.