You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Lisa Turner.

ASSISTANT: How may I assist you?

USER: Can you please book a flight ticket from SEA to SEA? As it is a round trip.

ASSISTANT: Can I have your trip dates please?

USER: Sure, I need to travel on dates of 07/26 and 07/28.

ASSISTANT: I found a flight for you in Spirit airlines with price 100. Can I book your ticket?

USER: It is ok  for me, please proceed with booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.