You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I want to make few changes in my reservation, can you help me?

ASSISTANT: Ok, sure can you please tell me your name because I want to check and change your recent reservation?

USER: Myself Sharon Jones.

ASSISTANT: Sorry Jones, no reservation found on your name.

USER: Oh! no issues, maybe my assistant changed my reservation and forgot to tell me.

ASSISTANT: Thank you for reaching us.

USER: Thank you for assisting me. You are welcome.