You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Patricia Hernandez. I need to cancel my reservation, can you help me out please?

ASSISTANT: Nice to meet you Hernandez. Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Patricia Hernandez, we haven't found any reservation under your name in our database?

USER: That's ok, no problem. Thank you for your help.

ASSISTANT: Thank you for reaching us.