You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know your good name?

USER: I am Mary Moore.

ASSISTANT: How can I assist you for today?

USER: I planned to meet my girlfriend who lives in New York, EWR on 04/26. Can you book a flight from HOU on 04/24.

ASSISTANT: Sure, we are here to help you.

USER: The ticket should not exceed 200.

ASSISTANT: I have found a flight with airline UA and flight number is 1000 with 1 connection and price 100. Can I reserve?

USER: Sure, reserve me the ticket.

ASSISTANT: Your reservation is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us. Have a nice day.