You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, may I know your name please?

USER: Thank you for considering my request. Myself Pamela Edwards.

ASSISTANT: Please give me a moment.

USER: Sure, I will wait for your response.

ASSISTANT: There is no reservation found with your given name.

USER: That's ok, no problem.

ASSISTANT: Thank you.

USER: Thank you for the information.