You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Patrick Jackson here.

ASSISTANT: How may I aid you today?

USER: I need to cancel my recent reservation, can you help me in doing that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: We found your reservation and cancelled the reservation successfully.

USER: Ok, thank you for your service.

ASSISTANT: Thanks for opting us.