You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide 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 with that. May I know your name please?.

USER: Sure, my name is Andrew Gonzalez.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: I am sorry to say that there is no reservation found under your details.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.