You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Lisa Hill from Boston. I am planning to meet my uncle in Las Vegas, LAS. Could you please help me with booking a flight ticket from BOS?

ASSISTANT: Sure Lisa, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you for accepting my request, my travelling dates are from May 19 to May 21.

ASSISTANT: Ok, please wait a moment to check flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: I have found a flight in Frontier airlines which is having connection 1 and the ticket fare is 300. Is it ok for you?

USER: That's fine for me, you can proceed with that flight ticket booking.

ASSISTANT: Ok Lisa Hill, your ticket booking has done and the flight number is 1009.

USER: Thank you very much for reserving my ticket.

ASSISTANT: Thank you for choosing us, have a great journey.