You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: Recently I made a reservation to go for a holiday trip but, due to sudden meeting with my client I need to cancel my reservation. So, I request you to cancel my reservation?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Could you please provide me your good name?

USER: Sure, I am Anna Martin.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, we found a reservation on your name. Shall I proceed to cancel it?

USER: Yes, you can proceed to cancel my reservation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.