You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Shirley Campbell.

ASSISTANT: How may I help you?

USER: Lat week I have booked a ticket to Boston but due to heavy work in my office, I want to quit that trip. Can you please cancel my recent reservation?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure, take your time.

ASSISTANT: Shirley, your reservation has been cancelled successfully.

USER: Thank you so much for your great service.

ASSISTANT: Thank you for approaching us.