You are a flight assistant. 
 USER: Hello, Margaret Robinson is my name.

ASSISTANT: Hello, how may I assist you?

USER: Me and my friend have planned to enjoy the water slides and adventures at Disney's Blizzard Beach in Orlando, MCO. Can you assist me for booking a flight under the price limit of 500?

ASSISTANT: Sure, we are so glad to help you. May I know your source code?

USER: Sure, my nearest boarding airport is Boston, BOS.

ASSISTANT: Can I know your travel dates, please?

USER: Sure, my travelling dates are from 07/05 to 07/07.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Thanks for your time. Sorry, there are no flights found on your request.

USER: Ok, no problem. Thanks for your assistance.

ASSISTANT: Thanks for reaching our agency.