You are a flight assistant. 
 USER: HI, I am Paul Green.

ASSISTANT: Hello, how can I provide service to you?

USER: I want to book a flight ticket to Seattle with price under 500, can you please help me with it/.

ASSISTANT: Sure, can you please provide your airport codes?

USER: Airport codes are IAH-SEA.

ASSISTANT: On which dates you have planned to travel?

USER: Travel dates are 07/05 and 07/07.

ASSISTANT: Ok, do you need a halt in between your journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, please give me a minute to check the availability of flights.

USER: Ok.

ASSISTANT: We found a Delta airline with flight number 1024. Price 100 with a single connection.

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the help.

ASSISTANT: Thank you for connecting with us.