You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to attend my friend marriage in Walt Disney World Resorts at Phoenix.

ASSISTANT: Sure, I can do that for you. May I know your trip dates?

USER: My journey dates are, start on June 10th and return back on June 12th.

ASSISTANT: Ok, may I know your source and destination airport codes?

USER: My airport codes are DCA to PHX.

ASSISTANT: Ok, may I know your name?

USER: My name is Samuel Thompson.

ASSISTANT: Samuel Thompson, please wait for a while.

USER: I need a flight ticket in economy class. And I want one stopover in between journey.

ASSISTANT: Samuel Thompson, sorry to inform you. There is no flight available as per your requirements.

USER: Ok, no problem. Thank you.

ASSISTANT: You are welcome and thank you for choosing us.