You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Due to some emergency, I am unable to catch the flight. So, I decided to cancel the ticket. Can you please do that for me?

ASSISTANT: Sure, I am happy to help you with that.

USER: Thanks a lot for your quick response.

ASSISTANT: Can I have your good name please to check your reservation  status?

USER: I have reserved my ticket with the name Ruth Taylor, so please check the ticket status with this.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time. I will be on hold.

ASSISTANT: Sorry Ruth Taylor, no reservation has found under your name to cancel.

USER: It's ok, I think my brother had already cancelled the ticket. I will confirm with him. Thank you for checking my ticket status.

ASSISTANT: Thank you for choosing us, have a good day.

USER: You are most welcome.