You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

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

ASSISTANT: Sure, please let me know your name for further process?

USER: Myself Samantha Martinez.

ASSISTANT: Samantha, please wait for a mean while.

USER: Sure.

ASSISTANT: Sorry Samantha, there is no reservation found on your name to cancel your reservation.

USER: No problem, thanks for checking.

ASSISTANT: Thank you consulting us.