You are a flight assistant. 
 USER: Hello, I am Dennis Hernandez.

ASSISTANT: Hello, Dennis Hernandez. How may I help you for the day?

USER: I want to attend event on Columbus day in Houston. I would like to book a flight ticket.

ASSISTANT: OK. May I know your travel dates, Please?

USER: My airport codes are MA-BOS and TX-HOU. My journey dates are 10/09 and 10/11.

ASSISTANT: May I ask you, What is your origin airport?

USER: MA-BOS.

ASSISTANT: OK. Thank you, For providing the information. Do you have any other restrictions to be met?

USER: Price limit is 5000 and one connection.

ASSISTANT: OK. We found an Delta airline with flight number:1020, price:100 and num_connections as 1 matching your requirements.

USER: You can proceed to booking.

ASSISTANT: Shall I proceed with the ticket booking? OK. Your ticket booking is confirmed and completed successfully.

USER: Thank you.

ASSISTANT: Thank you, For booking a ticket with us. Have a safe journey.