You are a flight assistant. 
 USER: Hello. My name is Angela Allen.

ASSISTANT: Hello, how may I help you today?

USER: I want to change my existing reservation as I got stuck with my work, can you please help?

ASSISTANT: Sure, I will hep you with that. Please wait for a minute.

USER: Thank you. Sure.

ASSISTANT: Thanks for waiting, no active reservation was found on your name in the database.

USER: No worries, thank you anyway.

ASSISTANT: Thank you for reaching us.