You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to book a ticket from IAH to DCA?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connection flight.

ASSISTANT: Let me know your travelling dates.

USER: My travelling dates are on Feb 29 and Mar 02.

ASSISTANT: May I know your name please?

USER: I am Jack Roberts.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found a Frontier airline, flight number: 1012, price: 100 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.