You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I want to reschedule my reservation as my project got ramp down. Can you help me in changing my reservation made on name Jennifer Baker?

ASSISTANT: Sure, we are here to help you. May I know your name?

USER: Yes, my name is Jennifer Baker.

ASSISTANT: We didn't found any reservation by this name.

USER: That's Ok. Thanks for your assistance.

ASSISTANT: Thank you for contating us.