You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What kind of help do you require from our agency?

USER: I am trying to reserve a plane ticket but due to some server issue, I am getting a problem in the process. Can you please find a flight ticket from PHX to IAD?

ASSISTANT: Sure, I am happy to help you in booking a plane ticket. Can you please provide me your journey dates?

USER: My planned trip dates are on Oct 27 and return on Oct 29.

ASSISTANT: Do you prefer a direct flight or a connecting flight for your journey?

USER: I need a single connecting flight.

ASSISTANT: May I know your full name please?

USER: Yes, I am Anthony Moore.

ASSISTANT: Sorry to inform you that, there are no flights found in this route with the dates you have given.

USER: Ok, not an problem. Thank you for your information.

ASSISTANT: You are welcome. Thank you for consulting us.