You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you?

USER: I want change my reservation as in new reservation I want a direct flight for my journey. Can you aid me with that?

ASSISTANT: Sure, we are here to aid you. Please share your name.

USER: Sure, my name is Rachel Anderson.

ASSISTANT: Ok, please standby, I will check the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your time, we are sorry to say that there was no reservation found on your name.

USER: That's Ok, thanks for your good response.

ASSISTANT: Thank you for opting us.