You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to meet my parents after a long time in Denver CO-DEN. Can you please aid me in booking a flight ticket from TX-HOU?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: My travelling dates are 10/29 and 10/31.

ASSISTANT: Ok, please wait a moment. We found an airline Southwest with flight 1018 having a fare 200 with halt. Shall I proceed?

USER: You can proceed.

ASSISTANT: May I know your name?

USER: I am William Perez.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.