You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, may I know your name?

USER: Ok, Frank Rodriguez.

ASSISTANT: Ok, please wait. Let me check.

USER: Ok.

ASSISTANT: I found your reservation and cancelled it successfully.

USER: Ok, thank you.

ASSISTANT: You are welcome and have a nice day.