You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to book a ticket from LAS to HOU. Can you please help me out?

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: I am planning to travel on July 20 and return back on July 22.

ASSISTANT: Do you need any flag stop in between journey?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your name please?

USER: My name is Benjamin Martin.

ASSISTANT:  There is a flight in Delta airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your booking is confirmed and the flight number is 1003.

USER: Thank you for your service.

ASSISTANT: You are most welcome.