You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

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

ASSISTANT: Ok, I am here to help you with that. Can I know your good name?

USER: Sure, myself Ashley Adams.

ASSISTANT: Please wait for a minute.

USER: Sure I will wait for your response.

ASSISTANT: Sorry to say that, there is no reservation found on your name in our database.

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

ASSISTANT: Thank you for reaching us.