You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I will help you. Can you please provide your name to check your previous reservation?

USER: Sure, my name is Mary Taylor.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: We regret that, there is no reservation found with your name in our records.

USER: That's ok, thank you.

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