You are a flight assistant. 
 USER: Hello, Ryan Garcia here.

ASSISTANT: Hello, How can I assist you?

USER: I want to book a plane from HOU to attend my nephew birthday celebrations, can you help me to book a plane under the price of 200?

ASSISTANT: Sure, I will help you with that. Is there any connection limit?

USER: No, I am comfortable with direct or connected flight.

ASSISTANT: Kindly mention your travelling dates?

USER: My travelling dates are from 11/04 to 11/06.

ASSISTANT: Please ensure your Destination airport?

USER: My destination airport code is CA - OAK.

ASSISTANT: Ok, wait for a minute, I will revert you with the availability.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight found with number 1000 and Southwest as airline. Shall I proceed with the booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your ticket has been reserved with price 200.

USER: Thanks for your assistance.

ASSISTANT: Thank you for reaching us, Have a safe journey.