You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I am George Hernandez here, I want to reserve my ticket from DTW to IAD, can you please help me?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my planned dates of journey are from 09/08 to 09/10.

ASSISTANT: Sorry, no flights found on your route to confirm your ticket.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Ok, fine thank you for reaching us.