You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me cancel my reservation which was made on the name of Karen Gonzalez?

ASSISTANT: Sure, I can help you out. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting. We didnt found any reservation by this name.

USER: It's ok, thank you for your response.

ASSISTANT: Thank you for picking us.