You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel from MSP to IAD, can you please help me to book my flight ticket?

ASSISTANT: Sure, may I know your itinerary dates?

USER: I would like to depart on Aug 24th and return back on Aug 26th.

ASSISTANT: May I know your name?

USER: My name is Linda Smith.

ASSISTANT: Do you prefer a direct flight?

USER: Yes. That's fine for me.

ASSISTANT: In which class do you prefer to travel?

USER: Any class is fine for me.

ASSISTANT: Sorry Linda Smith, no direct flight is available on your route.

USER: Can you please check for the connecting flight?

ASSISTANT: Sure. Frontier airlines with flight 1019 is providing a connecting flight and ticket costs you 200 in economy class.

USER: Happy to hear that, you can book the ticket for me.

ASSISTANT: Your ticket is confirmed Linda Smith.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.