You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

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

ASSISTANT: Sure, let me know your name please.

USER: Sure, myself Steven White.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait for your response.

ASSISTANT: I have gone through the reservation list which is recorded in database but, your name does not exist.

USER: Ok, not an issue. Thank you for your quick response.

ASSISTANT: Thanks for choosing us.