You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my recent reservation due to an emergency, can you please help me?

ASSISTANT: Sure, I will help you. Please help me with your name.

USER: Sure, my name is Jerry Williams here.

ASSISTANT: Please allow me a minute.

USER: Sure, I will wait.

ASSISTANT: I have successfully cancelled your flight ticket.

USER: Thank you for your help in cancellation.

ASSISTANT: Thank you for reaching us. Have a great time.