You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please change my existing reservation?

ASSISTANT: Ok, I will help you with that. Please let me know your name?

USER: Sure, My name is Jessica Jones.

ASSISTANT: Ok, please wait.

USER: Sure.

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

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for connecting with us.