You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

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

ASSISTANT: Sure, we are glad to help you.

USER: Thank you.

ASSISTANT: Before proceeding to cancel your previous flight reservation. May I know your name?

USER: Sarah Wright here.

ASSISTANT: Sorry Sarah Wright, we haven't found any flight reservation based on your name.

USER: Ok, no problem.

ASSISTANT: Thanks for approaching us.

USER: Thanks for your information.