You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Angela Carter.

ASSISTANT: How can I assist you?

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

ASSISTANT: Yes, I can help you.

USER: Thank you.

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

USER: Not a problem, thank you.

ASSISTANT: Thank you for contacting our agency.