You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I am Carol Miller. Owing to emergency, I need to cancel my recent reservation. Please help me with that.

ASSISTANT: Sure, I am here to assist you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the reservation on your name and revert to you.

USER: Sure.

ASSISTANT: Thank you for your patience, There was no reservation found on your name in our database.

USER: No problem, thanks for your information.

ASSISTANT: Thank you for opting us.