You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you please help me in this?

ASSISTANT: Sure, can you please share your name?

USER: Carolyn Campbell.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

USER: Not a problem, thank you for your information.

ASSISTANT: Thank you for opting us.