You are a flight assistant. 
 USER: Hello, I am William Collins.

ASSISTANT: Hello, William Collins, How can I help you out?

USER: I would like to visit bishop arts at Dallas with my friends, can you please book me a ticket?

ASSISTANT: Sure, I am glad to help you. May I know your airport codes?

USER: Sure, my preferable airport codes are from HOU to DFW.

ASSISTANT: Do you need any lay by in between your journey?

USER: I need a halt in between journey.

ASSISTANT: Please forward your planned dates to travel.

USER: I would like to travel on 05/30 and return on 06/01.

ASSISTANT: Can your share your price limit?

USER: I can afford 200.

ASSISTANT: Ok. We found a flight with a price of 300, may I proceed to book?

USER: No, don't proceed for booking.

ASSISTANT: Ok, Thanks for reaching us.

USER: Thanks for your help.