You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, please wait for a moment to check your details. Meanwhile, may I know your name?

USER: Sure, my name is Mary Turner.

ASSISTANT: Sorry to inform, there is no reservation found on your name.

USER: That's ok, thank you.

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