You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Pamela Smith, can you help me for cancelling my recent reservation?

ASSISTANT: Sure, I will help you with the flight ticket cancellation.

USER: Thank you.

ASSISTANT: Thanks for waiting patiently. But I am sorry to say that there is no reservation on your name.

USER: Oh! It's ok, no problem. Thank you for your services.

ASSISTANT: Thanks for reaching to us.