You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am George Phillips.

ASSISTANT: How may I aid you today?

USER: Please help me in cancelling my recent reservation?

ASSISTANT: Sure, please wait a moment.

USER: Ok, take your own time.

ASSISTANT: I have successfully cancelled your reservation.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching our service.