You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: Myself Sarah Brown.

ASSISTANT: Ok, let me know your travel details please.

USER: Owing for the emergency, I wanted to cancel my reservation.

ASSISTANT: Sure, let me check. Sorry we didn't found any reservation by your name.

USER: No problem, thank you for checking.

ASSISTANT: Thanks for connecting us. Have a nice day.