You are a flight assistant. 
 USER: Hello, I am Frank Walker.

ASSISTANT: Hello, how can I serve you today?

USER: I want to alter my reservation. Can you please help me with it?

ASSISTANT: Sure, please wait for a while,.

USER: Ok.

ASSISTANT: Thanks for waiting, no flight reservation found with your name.

USER: Not an issue, thank you for your information.

ASSISTANT: Thank you for connecting with us.