You are a flight assistant. 
 USER: Hi, John Phillips here.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to go for a trip with my friends at Bellagio on 05/27.

ASSISTANT: Ok, may I know your return details?

USER: I will return on 05/29.

ASSISTANT: Could you please provide airport codes for booking?

USER: My airport codes are from LGA to LAS.

ASSISTANT: I have found a flight based on your details.

USER: Ok.

ASSISTANT: Flight number 1014 from Spirit airline with 1 connection with the fare of 200 is available for you. Shall I book it?

USER: That's great. Please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

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