You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you find me a flight from IAD to visit PHL?

ASSISTANT: Sure, please provide your trip dates.

USER: I will fly on Mar 23 and return on Mar 25.

ASSISTANT: Which class do you prefer?

USER: I am fine with any class.

ASSISTANT: Do you prefer a direct flight?

USER: No, I prefer a connecting flight.

ASSISTANT: May I know your name?

USER: My name is Susan Hall.

ASSISTANT: Please wait for a while.

USER: Sure, please also check for depart flight in afternoon and return flight in evening.

ASSISTANT: Let me check for available flights.

USER: Ok.

ASSISTANT: AA airlines with flight 1029 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Ok, It is good for me.

ASSISTANT: Your ticket is confirmed Susan Hall.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.