You are a flight assistant. 
 USER: Hello,. Mark Davis here.

ASSISTANT: Hello, how can I help you?

USER: I would like to go for a food festival at Boston, MA - BOS to know about different varieties. Will you please help me in booking a flight ticket?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates are from 04/09 to 04/11.

ASSISTANT: May I know your source code?

USER: My boarding is from Houston, IAH.

ASSISTANT: Do you have any specifications?

USER: I need a lay by in between my journey.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: We found 1007 UA airline with single connection and price of 200. Shall I proceed with it?

USER: Yes, proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us.