You are a flight assistant. 
 USER: Hello, I am Richard Walker.

ASSISTANT: Hello, How exactly I can serve you the best today?

USER: I am planning to celebrate my birthday in Seattle, so please book a flight ticket within a price limit of 1000.

ASSISTANT: Sure, may I know your selected airport codes?

USER: My source and destination airport codes are NC - CLT, WA - SEA.

ASSISTANT: Ok, can you please share your travelling dates?

USER: I will start on 02/23, return on 02/25.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a flight in airline: AA, price: 100, flight number: 1009 and connections: 1.

USER: You can reserve it.

ASSISTANT: Sure, your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thnak you for opting us.