You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you please help me in reserving the ticket from MSP to IAD?

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

USER: I am planning my trip on Apr 7 and again I will return back on Apr 9.

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

USER: I am comfort to travel in single connection flight.

ASSISTANT: Do you have any class preference?

USER: No, I don't have any requirements regarding my journey.

ASSISTANT: May I know your good name please?

USER: Myself Lisa Johnson.

ASSISTANT: We found Spirit airline with economy class and flight number is 1003 with arrival time is 15:00 hours and departure time is 13:00 hours.Shall I proceed for booking?

USER: Yes, please go ahead and reserve the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you very much for reserving the ticket.

ASSISTANT: You are welcome.