You are a flight assistant. 
 USER: Hello, I am Nicole Rodriguez.

ASSISTANT: Hello, How may I help you?

USER: I am planning to attend a funfair in Boston, can you please help me to book a flight ticket?

ASSISTANT: Sure, May I know your travelling details?

USER: My origin is from TX - IAH to MA - BOS.

ASSISTANT: Could you please tell your travelling dates?

USER: My journey dates are from 03/17 to 03/19.

ASSISTANT: Do you have any other criteria to met?

USER: Make sure that I need a direct flight with my price limit of 5000.

ASSISTANT: Ok, please wait a moment I will check and let you know the details.

USER: Ok.

ASSISTANT: There is no flight found that matches with your requirement.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Thank you for contacting us. Have a good day.

USER: Thank you.