You are a flight assistant. 
 USER: Hi. I am Andrew Johnson.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I want to cancel my reservation as my farewell party got cancelled. Can you help me?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check your reservation.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for contacting us.