You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Will you please reserve me a flight ticket from PHX to IAD to go for holiday trip?

ASSISTANT: Sure, I will help you. Can you please share your desired travel dates?

USER: My planned journey dates are Nov 07 and Nov 09.

ASSISTANT: Can I have your good name please?

USER: I am Debra Martin.

ASSISTANT: May I know your connection preference?

USER: I prefer a flight having maximum connection of one.

ASSISTANT: Do you have any class specification?

USER: I need an economy class ticket.

ASSISTANT: May I know your other requirements?

USER: I have to return in the evening time.

ASSISTANT: Please hold on a moment.

USER: Sure.

ASSISTANT: Debra Martin, no flights has been found on your planned travel dates.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.