You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I need to enjoy my summer vacation with my friends at Atlanta. Can you please book a flight ticket from Houston?

ASSISTANT: sure, Please provide me your travel dates.

USER: Sure, my travelling dates are 04/21 and 04/23.

ASSISTANT: Can I know your airport codes please?

USER: Airport codes are from HOU to ATL.

ASSISTANT: We found a connecting flight with price 100, flight number 1007. Shall I proceed for booking?

USER: Yes, proceed for booking with name Barbara Carter.

ASSISTANT: Your ticket has been confirmed with Frontier airline.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for choosing us to serve you.