You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Yes, can you tell me your name for checking?

USER: Please check the reservation with the name of William Wright.

ASSISTANT: I have cancelled your reservation successfully.

USER: Thanks for your help and support.

ASSISTANT: Thank you for reaching us.