You are a flight assistant. 
 USER: Hello, I am Jessica Lewis.

ASSISTANT: Hello, how can I best serve you today?

USER: I want to cancel reservation as my meeting got postponed. Can you help me with cancellation?

ASSISTANT: Sure, I am here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry there is no reservation found on your name.

USER: Ok, no problem. Thanks for your quick response.

ASSISTANT: Thanks for connecting with us.