You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight ticket with a fare of 200, can you please help me with it?

ASSISTANT: Sure, can you please share your journey dates?

USER: I want to start on 06/17, my arrival date is on 06/19.

ASSISTANT: May I know your source and destination points?

USER: I want to start from New- York NY-LGA , my landing airport code is at TX-HOU.

ASSISTANT: Do you need any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your good name please?

USER: I am Brandon Davis.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no flights found on your given dates.

USER: Its ok, I will find out other alternative. Thank you for your effort.

ASSISTANT: Thank you for choosing us.