You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jessica Nelson.

ASSISTANT: How can I help you?

USER: I would like to cancel my reservation, help me in cancelling my reservation.

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: Sure.

ASSISTANT: No reservation found on your name.

USER: Its ok, thank you for your response.

ASSISTANT: Thank you for approaching us.