You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Mary Adams, I want to change my reservation as I want to save some money. can you find a low budget flight for me?

ASSISTANT: Sure, I am here to help you. Please wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting. Sorry, there is no reservation found on your good name.

USER: Ok, thank you the information.

ASSISTANT: Thank you for availing us.