You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for the day?

USER: I would like to change my previous airport codes, which is done recently. Can you please help me out?

ASSISTANT: Sure, may I know your name?

USER: Sure, myself Jacob Wright.

ASSISTANT: Ok, please wait a minute.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there si no reservation found on your name.

USER: Not an issue, anyway thank you for the information.

ASSISTANT: Thank you for reaching us.