You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Charles Martinez. I want to attend my nephew birthday in Houston TX - HOU, so please help me in booking a flight ticket from Boston MA - BOS.

ASSISTANT: Sure, can you please share your trip dates?

USER: I want to fly on 10/12 and return on 10/14.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey.

ASSISTANT: Sorry, there were no flights found on your scheduled dates.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for availing us.