You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you please book a flight ticket with normal-cost airlines?

ASSISTANT: Sure, can you please share your travel dates?

USER: My journey dates are on Sept 22nd and 24th.

ASSISTANT: Could you please help me with the airport codes?

USER: My airport codes are, IAH to ATL.

ASSISTANT: May I know your connection limit?

USER: I prefer a flight with single connection.

ASSISTANT: Do you have any other specification that you are looking for?

USER: My depart time should be in the evening, and return flight time should be in the afternoon.

ASSISTANT: May I know your name to proceed further?

USER: My name is Susan Nelson.

ASSISTANT: There is a flight available with price 200 and the connection is 0 with United Airline. Would you like me to proceed with the booking?

USER: Ok, proceed with the booking.

ASSISTANT: Your booking is confirmed with 1002 flight number and the departure time is 23:00 hours, return time is 18:00 hours.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for reaching us.