You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking a flight ticket from LGA to DCA?

ASSISTANT: Sure, may I know your name?

USER: Myself Catherine Perez.

ASSISTANT: Thank you. Could you please let me know your travel dates?

USER: Sure, my travel dates are from July 22 to July 24.

ASSISTANT: Sure, do you prefer for a direct flight or connecting flight?

USER: I would prefer connecting flight.

ASSISTANT: Sure, please wait for a while.

USER: I prefer normal-cost airlines, please make sure that.

ASSISTANT: There is a flight having single connection in UA airlines and the ticket price is 100 only. Flight departs at 18:00 hours and arrives at 17:00 hours. Can I proceed for booking the ticket for you?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked in economy class and your flight number is 1029.

USER: Thank you for booking.

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