You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to change my flight reservation. Can you please help me?

ASSISTANT: Sure, may I know your name please?

USER: Thank you. I am Laura Adams.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Laura Adams, we haven't found any reservation under your name in our database.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us.