You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I have planned to go for but I have to go for LGA, can you please change my reservation?

ASSISTANT: Sure, may I know your name?

USER: I have reserved my flight ticket in the name of Jacob Wright.

ASSISTANT: Sorry Jacob, there is no reservation found on your name.

USER: Ok, fine not an issue. Thank you for your help.

ASSISTANT: Thank you for reaching us.