You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Carolyn Martinez, I want to book a ticket from DC-DCA to TX-IAH. Can you please help me out?

ASSISTANT: Sure, please give me your travelling dates.

USER: The travel dates are from 08/19 to 08/21.

ASSISTANT: There is flight available with 1 connection of flight.

USER: OK, can you please tell me the price limit?

ASSISTANT: The price of the ticket is 200.

USER: OK, I agree with the price and the connections limit.

ASSISTANT: So, Shall I book the ticket for you?

USER: Yes, proceed.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Yes, your booking of the ticket is confirmed. The flight number is 1013 and it is Spirit airlines.

USER: OK, thank you for your information.

ASSISTANT: Thank you and have a safe journey.