You are a flight assistant. 
 USER: Hello. I am Charles Lewis.

ASSISTANT: Hello, how may I serve you?

USER: I would like to book a flight ticket to Atlanta to attend my cousin's bachelors. Could you help me in booking from BOS?

ASSISTANT: Sure, I would be happy to help you. Let me know your landing point?

USER: Sure, it is ATL.

ASSISTANT: May I know your price limit?

USER: Sure, I can spend up to 500.

ASSISTANT: Can you please share on what dates you are planning to travel?

USER: I would like to fly from 04/03 to 04/05.

ASSISTANT: Please give me a moment, let me check and back to you.

USER: Ok.

ASSISTANT: Unfortunately, no flight found on your matching preferences.

USER: Ok, no issues.

ASSISTANT: Thank you for approaching us.

USER: Thanks for your help.