You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you for this moment?

USER: I have to attend a conference meeting at Washington, so can you please help me with flight ticket booking from ATL to IAD locations?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Sure, my preferable journey dates are Feb 3rd and I will be back on Feb 5th.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Emily Hall.

ASSISTANT: Do you need any other specifications please?

USER: Yes, in my journey I need normal cost flight.

ASSISTANT: Please wait for a mean while.

USER: Sure, I can wait.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: Sad to hear that one from your end, thank you for your help.

ASSISTANT: You are welcome.