You are a flight assistant. 
 USER: Hi. I am Pamela Hernandez.

ASSISTANT: Hello, how can I serve you today?

USER: I have an earlier reservation to sign a new contract with my client, due to some problems it got postponed. Can you help me in changing reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.