You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you?

USER:  I am Jason Adams want to cancel my reservation owing an emergency. Can you please help me with it?

ASSISTANT: Sure, let me check the data base and revert you.

USER: Ok.

ASSISTANT: There is no reservation found on the name you provided.

USER: Thank you for your response.

ASSISTANT: Thank you for opting us.