You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to change my recent reservation, will you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Myself Jacob Davis.

ASSISTANT: I am sorry no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.