You are a flight assistant. 
 USER: Hi, I am Carolyn Johnson.

ASSISTANT: Hello, how may I assist you for the day?

USER: Please help me with booking a flight ticket from Boston with price under 500.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: Travel dates are 01/10 and 01/12.

ASSISTANT: May I know your source and destination airport codes please?

USER: My airport codes are BOS and MSP.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: Thanks for waiting, we found connecting flight 1004 in Jet Blue airline with fare of 100. Shall I proceed to book?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.