You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you/.

USER: I am Margaret Thompson. I want to cancel my reservation, can you help me out please?

ASSISTANT: Sure, we are here to help you. Wait for some time.

USER: Thank you.

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

USER: That's ok, no problem. Thank you for your response.

ASSISTANT: Thanks for choosing us.