You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

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

ASSISTANT: Sure, can you please provide your name?

USER: I am Gregory Adams.

ASSISTANT: Hold on a minute.

USER: Sure.

ASSISTANT: We found your reservation and it has been cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.