You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

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

ASSISTANT: Sure, I am happy to help you. I will check your reservation status and let you know. May I know your name?

USER: Sure, my name is Ashley Harris.

ASSISTANT: Harris, I did not find any reservation under your name in our database.

USER: That's ok, thank you.

ASSISTANT: You are most welcome and thank you very much for choosing us.