You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

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

ASSISTANT: Sure, I will help you. Please be on hold.

USER: Ok.

ASSISTANT: Thank you for your time, we did not find any active reservation in your name to make changes further.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.