You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, I will help you on that.

USER: My name is Dorothy Edwards. Please check on my details in your records.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found under your name.

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

ASSISTANT: Welcome, have a great day.