You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Can you help me to change my existing reservation?

ASSISTANT: Sure, I am mirthful to help you with that.

USER: Thank you.

ASSISTANT: Please provide me the name to check for the status is active or not.

USER: My name is Jonathan Baker.

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

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.