You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what kind of services are you looking from us?

USER: I want to add some adjustments to my recent reservation, can you please help me with that?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: My name is George David.

ASSISTANT: Just a moment, let me check your reservation status in our database.

USER: Sure, take your time.

ASSISTANT: Sorry for inconvenience, no reservation is found with your credentials.

USER: Oh! that's ok, no issues.

ASSISTANT: Thank you very much for approaching our agency.

USER: Thank you for your service.

ASSISTANT: You are most welcome.