You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How best can I help you today?

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

ASSISTANT: Sure, I will help you in cancelling your reservation.

USER: Thank you.

ASSISTANT: For cancelling your reservation, I need to check your reservation status. So, can you please forward me your name?

USER: I am Joshua Jones.

ASSISTANT: Ok, please wait for a moment. I will check your reservation status and get back to you.

USER: Ok.

ASSISTANT: Sorry for the inconvenience, there is no previous reservation found on your name in our database.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.