You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Shirley Robinson.

ASSISTANT: How may I help you?

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

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, no reservation found by your name.

USER: Not a problem, thank you.

ASSISTANT: Thanks.