You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what kind of service you are expecting from our side?

USER: Can you help me to book a flight ticket to Houston, TX - HOU?

ASSISTANT: Sure, can I know your source airport code?

USER: I am Christopher Gonzalez from Austin, TX - AUS.

ASSISTANT: Ok, may I know your trip dates?

USER: My trip dates are 11/19 and 11/21.

ASSISTANT: I found a flight for you which is travelling to your destination from Spirit airlines. Do you like me to proceed with the available flight?

USER: If the flight with a 1 connection, then you can proceed to book ticket.

ASSISTANT: Yes, the flight is with 1 connection and we had booked this ticket for you with the flight number 1009.

USER: Thanks for booking.

ASSISTANT: Most welcome.