You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, I am gleeful to help you out. Please wait for a while let me check your name in our records. May I know your good name please?

USER: Sure, please check on the name of Joshua Harris.

ASSISTANT: I appreciate your patience, sorry Harris here there is no reservation found under your name in our database.

USER: Ok, no issues. Thank you for checking.

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