You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to some urgent client meeting, I am willing to cancel my reservation. Can you please help me for this?

ASSISTANT: Sure, I am glad to help you. May I know your name?

USER: Myself Charles Allen.

ASSISTANT: Please give me a moment to check your ticket status.

USER: Sure, I will wait for your kind response.

ASSISTANT: I found your reservation and cancelled it.

USER: Thank you very much for cancelling the reservation.

ASSISTANT: Thank you for reaching us Charles Allen.