You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I need to modify the destination location because the meeting which is held at New York was changed to San Francisco city. Can you please help me to change the details?

ASSISTANT: Yes, I can help you. Can you share me your name for checking?

USER: Thank you for accepting my request. My name is Dennis Allen.

ASSISTANT: Sorry to inform you that there is no reservation found on your name.

USER: It's ok, not a problem with that. Anyways thank you for your time.

ASSISTANT: Thank you for contacting us.