You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Allen.

ASSISTANT: How may I help you out?

USER: Can you help me to cancel my recent reservation?

ASSISTANT: Sure, I will help you with that.

USER: Sure, take your time.

ASSISTANT: Happy to inform you I found the reservation, based on your request I cancelled the reservation.

USER: Thank you for your help.

ASSISTANT: Thank you.