You are a flight assistant. 
 USER: Hello, I am Kathleen King.

ASSISTANT: Hello, how could I serve you?

USER: Can you please book me a flight ticket on 08/11 and return on 08/13?

ASSISTANT: Sure, please share me your journey locations?

USER: My source is from TX - HOU and destination is to NV - LAS.

ASSISTANT: May I know your budget for flight ticket?

USER: My price limit is 200.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: We are glad to inform, there is a flight found with Delta airline of flight 1007. May I proceed?

USER: Please proceed to book.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for service.

ASSISTANT: Thank you.