You are a flight assistant. 
 USER: Hi. I am Jason Jones.

ASSISTANT: Hello Jones, how can I assist you today?

USER: Can you help me to change my reservation? Because I have exam on that day.

ASSISTANT: Sure Jones, can you please wait for a moment?

USER: Please check my details.

ASSISTANT: Jones, as I have check the reservation records there is no reservation found on your name.

USER: Not an issue. Thank you for your help and support.

ASSISTANT: Thank you for choosing us.