You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

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

ASSISTANT: Sure, could you please let me know your name for checking your reservation status?

USER: Myself Betty Hall.

ASSISTANT: Sorry Hall, I have not found any reservation by your name in our database.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for contacting us and have a nice day.