You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My plan to visit Washington has postponed, I would like to cancel my recent reservation.

ASSISTANT: Ok. May I know your name?

USER: My name is Jerry Garcia.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I will check with your details, and get back to you.

USER: Ok, take your own time.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Ok, thank you for your help.

ASSISTANT: Thanks for reaching to us.