You are a flight assistant. 
 USER: Hello, I am Betty Jones.

ASSISTANT: Hello, how can I assist you today?

USER: I have a plan to visit Zoo at Detroit, please book a flight ticket under price 1000.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: My journey codes are LAX and DTW.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a halt.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 05/17 to 05/19.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: Please proceed further.

ASSISTANT: Your ticket has been confirmed with airline number 1027.

USER: Thank you.

ASSISTANT: Thank you for choosing us.