You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket from LAS to DFW to meet my friends. Can you please help me with booking a flight ticket?

ASSISTANT: Sure, may I know your trip dates?

USER: My travelling dates are Apr 18 and Apr 20.

ASSISTANT: Do you need a connecting flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: May I know your name?

USER: I am Stephanie Turner.

ASSISTANT: There is a flight of spirit airline, flight number 1024 with the fare of 100.

USER: I want to depart in the evening.

ASSISTANT: Ok, wait a minute.

USER: Sure.

ASSISTANT: We found a flight of American airline, flight number 1029 with the fare of 1029 depart time is 22:00 hours.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.