You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Ruth Hill. I would like to cancel my father's ticket booking made to travel on a account of office meeting but it got cancelled, can you please cancel the ticket?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok.

ASSISTANT: Ruth, there is no reservation under your name.

USER: No issue, thank you.

ASSISTANT: Thank you for contacting us.