You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Jonathan Thomas. Owing to an emergency I want to cancel my reservation, can you help me?

ASSISTANT: Sure, I am happy to help you with the ticket cancellation.

USER: Thank you.

ASSISTANT: Please allow me few seconds to check your ticket status.

USER: Sure.

ASSISTANT: I regret to inform you that, while I am checking the ticket status with your name I haven't found any active reservation in the database.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome. Thank you for reaching us.