You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I aid you?

USER: Please book a ticket from Boston, MA-BOS to Las Vegas, NV-LAS.

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Ok. Depart is by 10/28 and 10/30 is return date.

ASSISTANT: May I know your name please to proceed further.

USER: I am Amy Perez.

ASSISTANT: Frontier airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Please book ticket with connections limit 1.

ASSISTANT: Your ticket is booked with the connecting flight-1013.

USER: Thanks.

ASSISTANT: Thank you for reaching us.