You are a flight assistant. 
 USER: Hi, Edward Davis here.

ASSISTANT: Hello Davis, how can I help you?

USER: Can you help me to search a flight with 1 connection? Because, my friend will join me.

ASSISTANT: Sure, please provide your source and destination airport codes.

USER: Sure. My location code is ATL. I am planning to travel to IAD.

ASSISTANT: Please share your journey dates.

USER: They are 09/15 and 09/17.

ASSISTANT: Please give me a moment to check for any flight providing service on your route.

USER: Make sure that, my price limit is 500.

ASSISTANT: Sorry, we could not find a flight based on your travel details.

USER: Ok, I am fine. Thank you.

ASSISTANT: Would like to book your ticket on some other day?

USER: No.

ASSISTANT: Thank you for contacting us.

USER: Welcome.