You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Andrew Thomas. As the whether conditions in my city is very cool,I want to cancel my resent reservation.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: We found a reservation on your name. Shall I proceed with cancelling?

USER: Please proceed with cancelling.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.