You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Angela Hernandez.

ASSISTANT: Angela, how can I assist you?

USER: Can you please help me with changing my reservation due to my planned event got postponed?

ASSISTANT: Sure, I can help you in changing your reservation. Let me check your reservation status.

USER: Thank you. I will wait for your response.

ASSISTANT: Thank you for waiting, I have not found any reservation on your name in our database.

USER: Oh! It may not be booked properly due to server issues. Thank you for your time.

ASSISTANT: You are welcome and thank you for contacting us.