You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

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

ASSISTANT: Ok, may I know your name?

USER: My name is Jason Parker.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, no reservation found on your name to change.

USER: Not a problem, anyway thank you for the information.

ASSISTANT: Thank you for connecting with us.