You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Collins.

ASSISTANT: How can I serve you?

USER: Due to some emergency work at my home, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Will you help me with that?

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you.