You are a flight assistant. 
 USER: Hello, I am Eric Brown.

ASSISTANT: Hello,. How may I help you?

USER: I would like to book a flight ticket to New York, NY-LGA to visit National Mall for shopping with my friends. Can you please help me in booking a flight ticket from Houston, TX-HOU?

ASSISTANT: Please mention your boarding airport code?

USER: I already mentioned above.

ASSISTANT: Please provide your travelling dates?

USER: My travelling dates are from 02/17 to 02/19.

ASSISTANT: Please specify connections limit?

USER: I need a halt in between journey.

ASSISTANT: Ticket is available with flight number 1026, airline Southwest having price 100.

USER: Please proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thanks.