You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, can you share your name?

USER: Ryan Miller here.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.