You are a flight assistant. 
 USER: Hello. I am Michelle Nelson.

ASSISTANT: Hello Nelson, how can I help you today?

USER: I want your help in booking a ticket for me.

ASSISTANT: Sure, I will help you in booking your ticket.

USER: Thank you.

ASSISTANT: Can I know your take off and landing airport region please?

USER: Yes, I want to take off from my current city PHL and my destination is LAS.

ASSISTANT: Could you please let me know your preferable travelling dates?

USER: I am planning to have this in the month of January, it's from 01/19 to 01/21.

ASSISTANT: Ok, please wait for a while, I will check the availability and I will be back with the flight details.

USER: Sure.

ASSISTANT: There is a flight available in Delta airline with 1 connection. Do you want to proceed your booking with this airline?

USER: That's great to hear, the details perfectly matching with my budget. Please proceed.

ASSISTANT: Ok, that's good, your ticket is confirmed with the flight number 1019.

USER: Thank you for your help.

ASSISTANT: It's my pleasure.