You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a connecting flight to attend an event from DC. Can you help me?

ASSISTANT: Sure, when are you planning to start and return on?

USER: Nov 22nd and 24th are my travelling dates.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a break.

ASSISTANT: Do you have any other specifications?

USER: I would like to travel in an normal-cost airline.

ASSISTANT: Can I know your good name?

USER: Jason  Baker.

ASSISTANT: Which airports do you prefer to travel?

USER: IAD and PHL are my airport codes.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

USER: No issue. Thank you for the information.

ASSISTANT: Thank you.