You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Robinson.

ASSISTANT: How may I serve you today?

USER: Owing an emergency, I want to cancel my recent reservation. Can you please help me?

ASSISTANT: Yes, your reservation is found and I had cancelled the reservation as you have requested.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing our agency.