You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: I am Mary Johnson, I want a flight with one connection to visit Washington DC with my friends to attend a film festival. Can you help me with booking a flight ticket on 08/22?

ASSISTANT: Sure, we will help you for booking on 08/22. Please share your airport codes for booking.

USER: I like to take a flight from Chicago airport IL-ORD and my destination airport will be DC-IAD.

ASSISTANT: Ok, let me know when do you want to return from IAD?

USER: Book my return ticket on 08/24.

ASSISTANT: Ok, is there any restrictions on price limit?

USER: Yes, I need a flight under fare of 5000.

ASSISTANT: Thanks for your valuable information, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight in Hawaiian airline with a connecting flight between your journey. Can I proceed for booking?

USER: Sure.

ASSISTANT: Ok, your ticket has been confirmed with the fare of 100 and the flight number is 1005.

USER: Thanks for your nice service for booking.

ASSISTANT: Thank you for approaching us.