You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Emma Green, I already book a flight now I want to cancel the ticket as my plan to visit my friend is cancelled. Can you cancel mt ticket?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.