You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicholas Young.

ASSISTANT: How can I assist you?

USER: Owing to an emergency, I need to cancel my existing reservation. Can you please help me with that?

ASSISTANT: Yes, I will aid you with that. May I know if you can wait a moment if you don't mind because I need to check in the records?

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for waiting, there is no reservation been found on your name to cancel.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing our agency.