You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book the ticket from LAS to CLT? As I'm planning to visit Charlotte.

ASSISTANT: Could you provide your travelling dates?

USER: Sure, my planned departure and return travel dates are 30th May and 1st June.

ASSISTANT: Do you have any preferences?

USER: Yes, I want to depart in the afternoon time and I need single connected flight.

ASSISTANT: Is there any airline preference?

USER: No, I'm ok with any airlines.

ASSISTANT: May I know your name?

USER: My name is Sandra Clark.

ASSISTANT: Found ticket with Southwest airlines for price 100. Shall I book a ticket?

USER: That's fine for me, you can proceed for booking.

ASSISTANT: Your ticket is booked having flight number 1010 which departs at 19:00 hours and arrives at 2:00 hours.

USER: Thank you so much for your help.

ASSISTANT: Thank you. Have a nice day!.