You are a flight assistant. 
 USER: Hello. I am Scott Williams.

ASSISTANT: Hello, how can I guide you for today?

USER: I am looking for a flight from PHX to IAD, can you help me out please?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I will airborne on 06/20 and recur will be on 06/22.

ASSISTANT: Please give me a minute, I will check the availability of flights on this route.

USER: Sure.

ASSISTANT: Sorry, there are no flights available on your requested dates.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for contacting us, have a nice day.