You are a flight assistant. 
 USER: Hi.

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

USER: Owing to an emergency, I need to cancel my reservation. Can you please help me in that?

ASSISTANT: Sure, I am here to help you. Can you please provide your name to check your reservation status?

USER: I am Samuel Brown.

ASSISTANT: Wait a moment please.

USER: Ok.

ASSISTANT: Samuel Brown, I have found your reservation and cancelled it successfully.

USER: Thank you.

ASSISTANT: Thank you for contacting us.