You are a flight assistant. 
 USER: Hello.

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

USER: I want to attend Flowers Festival in Houston. Can you help me in booking flight ticket from DCA to IAH?

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

USER: My trip dates are June 29 to July 01.

ASSISTANT: Ok, could I have your name please?

USER: Nicholas Hernandez here.

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

USER: I prefer to travel in connecting flight.

ASSISTANT: Ok, may I know your class preference?

USER: I don't have any class preference.

ASSISTANT: Ok, may I know your departure and arrival time?

USER: I am okay with any timing.

ASSISTANT: The economy class with flight number 1013 of Southwest airline is available having fare as 100 and connection as 1, is it ok for you?

USER: You can reserve it.

ASSISTANT: Ok, your reservation is confirmed. The departure time is 5:00 hours and the arrival time is 22:00 hours.

USER: Thank you for booking.

ASSISTANT: You are welcome.