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

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket under price 1000, Can you please book a ticket for me?

ASSISTANT: Sure, Can you provide your travelling dates?

USER: My depart is on 05/31 and return is on 06/02.

ASSISTANT: Let me know your airport codes?

USER: Origin :LAS and Destination: IAH.

ASSISTANT: OK, There is a flight 1015 with UA airline and price 100. Shall I proceed?

USER: You can proceed.

ASSISTANT: Ok, Your ticket is booked with a connecting flight.

USER: Thank you.

ASSISTANT: Thank you for reaching us.