You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How best can I guide you today?

USER: Can you please help me to change my reservation to other dates?

ASSISTANT: Sure, please share your good name?

USER: Sure, my name is Laura Wright.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Thank you for waiting , there is no active reservation found with the given name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.