You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I abet you?

USER: Being the scientist, I am going to attend the Science festivals. But due to some technical issues, I want to change my reservation.

ASSISTANT: Ok, I will help you in that. Please provide your name to check the reservation.

USER: I am George Smith.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: Thanks for your time, there is no reservation found on your name.

USER: No problem. Thank you.

ASSISTANT: Thank you for reaching us.