You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know your name?

USER: I am Samantha Hall.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.