You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Can you give me your name?

USER: I am Dorothy King.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's ok. Anyways, thank you.

ASSISTANT: Thank you for reaching us.