You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How best I can assist you at this moment?

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

ASSISTANT: Sure, we are eager to help you.

USER: Thank you.

ASSISTANT: On what name, do I need to check the reservation status?

USER: I am Jennifer Campbell.

ASSISTANT: Ok, please hold on. I will be back.

USER: Sure.

ASSISTANT: We are happy to inform you that, we found an active reservation on your name. Shall I cancel it?

USER: Please proceed.

ASSISTANT: Ok Jennifer, Your ticket has been cancelled.

USER: Thank you for your response.

ASSISTANT: Thanks for choosing us.