You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: My name is Dorothy Edwards and I want to book a ticket.

ASSISTANT: Sure, I can help you in that. Can I know the source and destination details?

USER: My origin airport code is AZ-PHX and destination airport code is DC-IAD.

ASSISTANT: OK Dorothy, can you please provide the dates of travelling for booking?

USER: My departure date is 10/19 and return date is 10/21.

ASSISTANT: OK Dorothy, I have confirmed your details and be on hold for a moment. I will revert back.

USER: OK.

ASSISTANT: As per your dates there is a flight matched to your criteria. Shall I proceed with the booking?

USER: My price limit is 1000 and the connections limit is 0.

ASSISTANT: Sorry Edward, the cost is matching to your price.But, there is a connection limit of 1 as per you dates.

USER: No, I want the connections limit 0 only.

ASSISTANT: But we cannot provide you Edwards as per your request.

USER: Thanks for your help.

ASSISTANT: OK, thank you for reaching us.