You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to change my reservation which is under my name. Can you please help me with that?

ASSISTANT: Can you share your name for checking?

USER: My name is Jacob Williams.

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

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.