You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Amanda Martin.

ASSISTANT: Ok.

USER: I want to do some changes in my existing reservation. Can you help me for that?

ASSISTANT: Sure, we are here to help you. Please wait for a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

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

ASSISTANT: Thank you for reaching us.