You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I'll help you in cancellation. Could you please let me know your name to check the reservation status?

USER: My name is Jacob Baker.

ASSISTANT: Ok, please wait a moment I will check the reservation list.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform you that there is no reservation  found on your name in our database.

USER: Thanks.