You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I aid you?

USER: I am Kimberly Thompson. I want to attend my business meeting at Boston. Can you please help me with booking a ticket?

ASSISTANT: Sure. May I know your travelling dates?

USER: Sure, I have planned my travelling dates are from 12/27 to 12/29.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are from San Francisco, CA - SFO to Boston, MA - BOS.

ASSISTANT: Do you have any specifications?

USER: I need direct flight with price limit is 1000.

ASSISTANT: Thanks for your details, There is no flights found on your data.

USER: Not an issue, thanks for your information.

ASSISTANT: Thank you.