You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you out?

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

ASSISTANT: Please provide your name to find your reservation.

USER: Sure, myself Karen Hill.

ASSISTANT: Can you please wait? I will revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for waiting but, your name does not exist in the reservation list.

USER: Ok, not an issue. Thank you for your kind information.

ASSISTANT: Thank you.