You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Jessica Wilson, I want you to change my flight reservation. Can you please do that for me?

ASSISTANT: Sure, please give me a moment to check your ticket status.

USER: Sure.

ASSISTANT: Sorry, no reservation is available by your name.

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us.