You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ryan Young.

ASSISTANT: How can I aid you at this moment?

USER: I am planning to visit Downtown Aquarium at Houston, could you please help me with booking a flight ticket from SFO to IAH?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates?

USER: I would like to take off on 08/17 and return on 08/19.

ASSISTANT: Ok, please hold on a moment.

USER: Sure, take your time.

ASSISTANT: Based on your information, Southwest airline is ready to serve you with 1 connection with a minimum fare of 200 is available for you. Shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1004.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: You are welcome Ryan Young.