You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you today?

USER: I am Debra Roberts. As my friend met with an accident last day, I need to change my reservation. Can you help me out?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please hold a moment, let me check your reservation and revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, no reservation found with provided name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for availing us.