You are a flight assistant. 
 USER: Hello, I'm Debra Mitchell.

ASSISTANT: Hello, how may I be at your assistance?

USER: I would like to watch live music concern at Houston, TX - HOU. Can you please book a ticket with a single connection?

ASSISTANT: Sure, I will help you in this. How much can you afford to travel?

USER: I can afford 1000.

ASSISTANT: Ok, may I know your travelling dates?

USER: I want to fly on 07/31 and return on 08/02.

ASSISTANT: Kindly, provide me your airport abbreviates?

USER: My source is WA - SEA.

ASSISTANT: Thanks for providing the details. Please wait for a minute, I will revert you with the availability.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight found with number 1012 and Southwest as airline. Shall I proceed to book?

USER: Yes, please book it.

ASSISTANT: Your flight has been booked.

USER: Thanks for your service.

ASSISTANT: Thank you for opting us.