You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Timothy Mitchell. Owing to an emergency, I need to cancel my recent reservation.

ASSISTANT: Ok.

USER: Please help me in cancelling?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: I have found a reservation on your name. I just cancelled it.

USER: Ok, thank you for your help.

ASSISTANT: Thank you for reaching us.