You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, will you mention your name for checking the reservation status?

USER: Thank you. Sharon Lopez.

ASSISTANT: There is no reservation found under your name.

USER: That's Fine. Thank you.

ASSISTANT: Welcome, have a great day.