You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I planned to meet my friend in DCA, can you please help me to book a flight ticket from IAH?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I prefer to travel on Feb 10 and Feb 12.

ASSISTANT: Ok, could I have your name please?

USER: I am Barbara White.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in normal cost airline.

ASSISTANT: The economy class with flight number 1025 of American airline is available having fare as 200 and connection as 1, is it ok for you?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 17:00 hours and the arrival time is 4:00 hours.

USER: Thank you for your help.

ASSISTANT:  You are welcome, have a great day.