You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Christopher Williams here.

ASSISTANT: How may I assist you Christopher?

USER: I would like to visit Space Center in Houston and also planned to meet my friends there. So can you please help me for booking a flight ticket?

ASSISTANT: Sure, I will help you on that. On which dates do you want to travel?

USER: My departure date is 01/11 and return date is 01/13. Make sure my connections limit is 1.

ASSISTANT: Ok, could you please provide your nearest airport codes that you want to travel?

USER: My airport codes are from SEA to HOU.

ASSISTANT: Ok, please hold on a moment to check the availability of flights and I will revert you.

USER: Ok.

ASSISTANT: According to your information, Spirit airlines providing a flight which costs only 200 including of all taxes with 1 connection. Shall I proceed with this?

USER: That's perfect.Please proceed for booking.

ASSISTANT: Ok, your reservation is done successfully with flight number 1000.

USER: Thank you for helping me.

ASSISTANT: Thank you for using our services, have a great journey.