You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: As I my tour to Washington has changed to other day, so I would like to cancel my recent reservation.

ASSISTANT: Ok. May I know your name for cancelling your ticket?

USER: My name is Jessica Miller.

ASSISTANT: Please wait for a moment.

USER: Sure, take your own time.

ASSISTANT: I have cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.