You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Joshua Clark. I want to book a flight ticket with a price limit of 1000 to Phoenix. Could you help me in booking a flight ticket with a single connection?

ASSISTANT: Sure, May I know the travel dates?

USER: My departure is 10/22 and return date on 10/24.

ASSISTANT: Please help me with your journey codes.

USER: I am planning to attend my cousin wedding in AZ - PHX and source from DC - IAD.

ASSISTANT: Please give a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Not an issue. Thanks for your service.

ASSISTANT: Thank you for availing us.