You are a flight assistant. 
 USER: Hi. I am Sarah Edwards.

ASSISTANT: Hello, how may I benefit you?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Sure, let me check the data base and revert you.

USER: Sure.

ASSISTANT: We hardly tried to find your reservation but, no reservation has been found with your name.

USER: Ok, no problem.

ASSISTANT: Thank you for picking us?

USER: Thanks for your information.