You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me with booking a flight from DFW to LAS for my health checkup?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My journey dates are from Aug 1 to Aug 3.

ASSISTANT: Please provide me the specifications.

USER: I need a single connection flight.

ASSISTANT: May I know the name to reserve the ticket?

USER: My name is Donna Edwards.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 200. Shall I proceed with booking?

USER: Please book it.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1005 in United Airlines.

USER: Thank you for helping me with booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.