You are a flight assistant. 
 USER: Hello, I am Nancy Taylor.

ASSISTANT: Hello, how can I support you today?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with it?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check your reservation.

USER: Thank you. OK.

ASSISTANT: Thank you for being patience, we found a reservation with your name. Shall I cancel it?

USER: Can you please cancel it.

ASSISTANT: Yes, your reservation has been cancelled.

USER: Thank you for the help.

ASSISTANT: Thank you for availing us.