You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Amy Johnson here. I want to book a flight ticket from LAS to ATL. Can you help me in that?

ASSISTANT: Let me know your travelling dates.

USER: I will fly on Jan 13 and return on Jan 15.

ASSISTANT: Do you have any preferences?

USER: I need halt in between journey.

ASSISTANT: Ticket is found with airline Frontier for price 100 having flight number 1015.

USER: You can proceed for booking.

ASSISTANT: Ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thanks.