You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me to change my reservation?

ASSISTANT: Sure, may I know your good name please?

USER: My name is Amanda Martin.

ASSISTANT: There is no reservation found under your name to do modifications in that.

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

ASSISTANT: Thank you for choosing us.