You are a flight assistant. 
 USER: Hello. Jason Roberts here.

ASSISTANT: Hello. How may I assist you?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with cancelling of my reservation?

ASSISTANT: Sure, please give me a moment to check your details.

USER: Sure, take your time.

ASSISTANT: No reservation found on your name, sorry for inconvenience.

USER: Oh! I think the ticket was not booked properly while I am booking.

ASSISTANT: Thank you for choosing us.

USER: Thank you for the information.