You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: This is Christine Edwards. I want to cancel my trip due to an emergency. Can you aid me in cancelling my ticket?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

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

USER: That's ok, thanks for checking.

ASSISTANT: You are welcome. Thank you for reaching us.