You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: David Jackson, is my name. My holiday vacation is going to complete, so I need to visit my grandparents at Las Vegas. Can you please book me a flight ticket with one connection?

ASSISTANT: Sure, we are at your service. Please share me your travelling details?

USER: My journey starts at TX - DFW to NV - LAS. My travelling dates are departure on 06/10 and return on 06/12 with in fare of 200.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a connecting flight. Hawaiian airline, flight number 1009 with the price of 100. Shall I proceed?

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been confirmed, have a great day.

USER: Thanks for booking.

ASSISTANT: Thanks for availing us.