You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Can you please help me with changing my previous location?

ASSISTANT: Sure, will you please let me know your name?

USER: My name is Benjamin King.

ASSISTANT: Ok, please wait.

USER: Ok, I will be waiting.

ASSISTANT: Thanks for waiting, there is no reservation found under your name in our data base.

USER: Oh! That's sad to know, thank you for checking anyways.

ASSISTANT: Thank you for reaching us.

USER: You are most welcome.