You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket from HOU to DCA.

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Travel dates are Nov, 28 and Nov, 30.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I would be comfortable with single stop over.

ASSISTANT: May I know your good name please?

USER: My name is Nicole Roberts.

ASSISTANT: We found United airline with economy class and flight number is 1026 with arrival time is 17:00 hours and depart time is 16:00 hours.Shall I proceed for booking?

USER: Please book a flight.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: You are welcome.