You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Hall.

ASSISTANT: How can I assist you?

USER: I need your assistance in booking a flight ticket, to reach Dallas, DFW.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 02/27 to 02/29.

ASSISTANT: Can you please mention your source airport code?

USER: My origin airport code is DEN.

ASSISTANT: Here is a single connection flight with 1003 as flight number and fare is 100. Shall I proceed with booking?

USER: Please book this ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.