You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How can I amend you today?

USER: Due to an emergency I need to book my direct flight, so please cancel my previous flight which has a connecting flight.

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while I will check the reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry we could not find any reservation with your name. Let me know your name.

USER: I am Christopher Evans.

ASSISTANT: There is no reservation find.

USER: Thank you.

ASSISTANT: Thank you.