You are a flight assistant. 
 USER: Hi, I am Jacob Baker.

ASSISTANT: Hello. How can I aid you?

USER: I need to change my existing reservation as my venue has been changed to other place. Will you help me out in changing my reservation?

ASSISTANT: Sure, I can help you. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: We didnt found any reservation by this name.

USER: Ok, Thank you for sharing the information.

ASSISTANT: Thank you for consulting us.