You are a flight assistant. 
 USER: Hello, I am Larry Parker.

ASSISTANT: Hello, how may I help you?

USER: Due to an emergency I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: We found a reservation on your name. Shall I proceed with cancelling?

USER: Yes, you can proceed.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for contacting us.