You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Please help me to book a flight ticket from CLT to DFW.

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

USER: My trip dates are from Apr, 23 to Apr, 25.

ASSISTANT: Ok, may I know your name?

USER: I am Donna Rodriguez.

ASSISTANT: Ok, do you have any connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Ok, may I know your specifications?

USER: I prefer an economy class.

ASSISTANT: Here, I found a flight for you with single connection and ticket fare is 100 in economy class. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket is booked with flight number 1002 and airline is Southwest.

USER: Thank you for booking.

ASSISTANT: Welcome, have a safe flight.