You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to change my recent booking due to any emergency held in my house, can you please do some modifications in my previous booking?

ASSISTANT: Sure, I will help you with the change of flight reservation. May I know your name please?

USER: Thank you. My name is Alexander Rodriguez.

ASSISTANT: Thanks for waiting. But I am sorry to say that there is no reservation on your name.

USER: It's fine, I informed to my friend to modify it, I think he might have changed that one.

ASSISTANT: Ok, thanks for approaching us.

USER: Thank you for your search and quick help.