You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for today?

USER: Myself Rebecca Hill.

ASSISTANT: Ok.

USER: I want to travel from BOS to IAH to attend  sports event, please help me for booking flight ticket..

ASSISTANT: Sure, can you please tell me the travelling dates of your journey?

USER: My travelling dates from 05/30 to 06/02.

ASSISTANT: Ok, please wait for a moment.

USER: Make sure that connection limit is 1 and price limit is 500.

ASSISTANT: Sorry for the inconvenience, there are no flights found on your requirements.

USER: Ok, thanks for your services.

ASSISTANT: You are welcome.