You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you from Global travel agency?

USER: I am looking for a flight agencies, is this a booking agency?

ASSISTANT: Yes, you have approached the right place.

USER: Yes, I need some help in my ticket cancellation due to effect of Tsunami where I would like to travel. Can you help in that?

ASSISTANT: Yes, I am here to help you, can you please provide your name to cancel the reservation?

USER: Sure, I am Stephen Parker.

ASSISTANT: Wait a moment please, let me check the reservation status.

USER: Yes, I will wait.

ASSISTANT: Sorry, there is no reservation found with the name Stephen Parker in our database.

USER: Ok, I think it is not yet confirmed in previous sate.

ASSISTANT: Thank you, have a great day.

USER: Thank you for your help and good service.