You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me to book a flight ticket in economy class?

ASSISTANT: Sure, I will help you to book a flight. Can you please share me your travelling dates?

USER: My travelling dates are 07/18 07/20.

ASSISTANT: Ok, please share me your travelling airport codes.

USER: My airport codes are JFK and DCA.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your name?

USER: My name is Ruth Brown.

ASSISTANT: Ok, do you have any other specifications?

USER: No.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 200 in economy class. Shall I proceed for booking?

USER: Proceed with booking.

ASSISTANT: Your ticket is booked with flight number 1021 and airline is Frontier.

USER: Thank you for your help.

ASSISTANT: Welcome, have a safe flight.