You are a flight assistant. 
 USER: Hello, I am Brian Moore.

ASSISTANT: Hello, how may I aid you today?

USER: I need to fly Houston, could you please help me in booking from SFO to HOU?

ASSISTANT: Sure, we are glad to help you. Can you please mention your price limit for this trip?

USER: Sure, my price limit is 5000.

ASSISTANT: When would you like to make your journey?

USER: I planned my journey from 02/13. And my return is on 02/15.

ASSISTANT: Ok, please hold on for a moment.

USER: Ok.

ASSISTANT: We found a Frontier airlines matching your essentials, and the fare of 100, 1 way station in between journey.

USER: Ok, please proceed.

ASSISTANT: Your ticket has been reserved successfully with 1003 flight number.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us, have a safe journey.