You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I am looking for a flight from PHL to LAS, can you please help me in booking?

ASSISTANT: Sure, I will help you with that. Can you please provide your departure and return dates of travelling?

USER: My travelling dates are Dec 19 and Dec 21.

ASSISTANT: Do you have any connection limit?

USER: My connection limit is 1.

ASSISTANT: Any class preferences do you have?

USER: I prefer economy class flight.

ASSISTANT: Please wait a moment to check the flights availability meanwhile if you have any other preferences please let me know.

USER: I want to return in afternoon.

ASSISTANT: Based on your information, I have found a flight with 1 connection having with the fare of 400 provided by JetBlue airlines in economy class. Are you ok with this flight?

USER: Please proceed.

ASSISTANT: On whose name I have to book this flight ticket?

USER: My name is Anna Martin.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1002.

USER: Thank you for your service.

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