You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I need to travel form DFW to LAS, can you help me?

ASSISTANT: Sure, may I know your itinerary dates?

USER: My trip dates are 10/21 and 10/23.

ASSISTANT: Which class do you prefer?

USER: I am ok with any class.

ASSISTANT: Do you prefer a direct flight?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Dorothy Clark.

ASSISTANT: Southwest airlines with flight 1003 is providing a connecting flight and ticket costs you 100 in economy class.

USER: Yes, go with that.

ASSISTANT: Your ticket is confirmed Dorothy Clark.

USER: Thank you for that.

ASSISTANT: Thank you for choosing us.