You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Owing to an emergency, I just want to cancel my recent reservation. Can you please help me with cancellation?

ASSISTANT: Sure, I will help you with that. Can you please mention your name for further process?

USER: Please check my reservation on the name of Samuel Baker.

ASSISTANT: Ok, please hold on a moment.

USER: Sure.

ASSISTANT: There is no previous reservation available under your name.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for reaching us.