You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My name is Justin Clark. I want to visit a Arthur Storey Park In Houston, so please book a flight ticket with a price limit of 500.

ASSISTANT: Sure, may I know when have you planned to travel?

USER: My departure day is 11/06, return day is 11/08.

ASSISTANT: kindly provide your journey codes?

USER: My source and destination airport codes are TX - DFW, TX - HOU.

ASSISTANT: Thank you for the information. We found a matching flight with number 1015 and Delta as airline. There is a single connection within your journey. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.