You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you today at this moment?

USER: Owing to an emergency I have request you to cancel my reservation. Can you please help me out with that?

ASSISTANT: Sure, to cancel your ticket may I know your name please?

USER: I have reserved it on the name of Rebecca Rodriguez.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: There is no reservation found with your given name.

USER: Oh! I think it might be cancelled by my cousin. Anyway, thank you for the information.

ASSISTANT: Thank you for choosing us.

USER: Welcome.