You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I have some personal matters that need fixing so I need to change my existing reservation. Can you please help me?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Sure.

ASSISTANT: To check the reservation process we need your name, can you please share me your name.

USER: My name is Betty Allen.

ASSISTANT: Unfortunately there is no reservation on your name.

USER: That's not a problem.

ASSISTANT: Thanks for choosing us.

USER: Thank you.