You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please search a flight ticket with fare 200?

ASSISTANT: Sure, may I know your journey dates?

USER: My trip dates are 07/29 and 07/31.

ASSISTANT: Kindly, mention your budget for this journey. May I know your airport codes?

USER: My trip start from Boston BOS and my trip ends with Washington DCA.

ASSISTANT: Thank you for providing your details, please hold on.

USER: Ok.

ASSISTANT: May I know your good name for further process?

USER: Myself Kathleen Lopez.

ASSISTANT: You have a flight with airline UA with flight number 1007 with 1 connection and price is 100. Can I reserve your seat?

USER: Ok, please reserve my ticket.

ASSISTANT: Your reservation is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.