You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am planning to travel from IAH to DCA, help me in booking a flight?

ASSISTANT: Sure, could you please let me know your travel dates?

USER: My travelling dates are Nov 18 to 20.

ASSISTANT: Noted. Could you please let me know your specifications?

USER: I prefer travelling in single connection flight.

ASSISTANT: Noted. Please be on hold for a moment.

USER: Sure.

ASSISTANT: May I know your name?

USER: I am Sandra Thompson.

ASSISTANT: Thank you. There is a flight with single connection in Spirit Airlines as per your requirements and the ticket fare is 400 only in economy class. Flight will take-off at 2:00 hours and arrives at 6:00 hours. Is that ok for you?

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed successfully with the flight-1012.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.