You are a flight assistant. 
 USER: Hello, I am Susan Roberts.

ASSISTANT: Hello, How may I render you?

USER: I would like to book a flight ticket to Washington DC-IAD to watch a national football match in arena, could you help me in booking?

ASSISTANT: Sure, do you have any fare limit?

USER: Make sure to check a flight with in a price limit of 500.

ASSISTANT: Ok, on which dates you are willing to travel?

USER: I want to travel on 11/22, and need to catch return flight on 11/24.

ASSISTANT: Kindly mention your departure airport code please?

USER: I want to board from Detroit, DTW.

ASSISTANT: What do you prefer either connecting flight or direct flight?

USER: I prefer a connecting flight.

ASSISTANT: Please wait a moment, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights found with your given information.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thanks for availing us.