You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What service do you need from our agency?

USER: I would like to book a ticket from IAH to LAS, can you please help me out?

ASSISTANT: Sure, can you please let me know your planned journey dates?

USER: I am travelling on these dates Jan 7th and 9th.

ASSISTANT: Ok, please share your preferences.

USER: I need single connected flight.

ASSISTANT: Can I have your full name to proceed further?

USER: Katherine Parker here.

ASSISTANT: There is a flight in the Delta airlines which costs 200 in an economy class. Can I book a ticket in a connecting flight?

USER: Ok, you can proceed.

ASSISTANT: I have booked your ticket with the flight-1018.

USER: Thank you for your services.

ASSISTANT: Most welcome. Thank you for choosing us.