You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What assistance do you need from our travel agency?

USER: I need to modified reservation as my destination point got changed. Can you please help me to modify my reservation?

ASSISTANT: Yes, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your good name please?

USER: My name is Patricia Thomas.

ASSISTANT: Ok, please let me know check your ticket status.

USER: Ok.

ASSISTANT: Sorry to inform you that, I have checked your status but I didn't found any reservation under your name in our database.

USER: It's ok, anyway thank you for the help from your services.

ASSISTANT: You are welcome. Thank you for reaching our travel agency.