You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My adventures trip has been cancelled. So, help me in cancelling the reservation with the name of Raymond Lopez.

ASSISTANT: Sure.

USER: Ok.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, There is no reservation found on your name.

USER: Ok, thank you for your response.

ASSISTANT: Than you.