You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking to cancel my previous reservation, can you please help me to do that?

ASSISTANT: Sure, may I know your good name?

USER: Thank you. I have reserved the past ticket with the name Edward Collins. So, please check the ticket status with this.

ASSISTANT: Sure, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: It's ok, not a problem with that. Thank you for checking and for providing the information.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.