You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Daniel Martinez. I am planning to travel on these days that is on Feb 19 and back on Feb 21. Can you find a flight ticket for me?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling airport codes?

USER: Thank you,  my source code is from OAK to HOU.

ASSISTANT: Please allow me a moment.

USER: Ok, make sure that the connection limit is 200.

ASSISTANT: Yes, I found a flight for you with single connection and ticket fare is 100. Shall I proceed for booking?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Your ticket is booked with flight number 1019 and airline is Southwest.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight. Thank you for choosing us.