You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to meet my ex-wife, so please book my ticket from LAS to ORD.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My itinerary dates are May 20 and May 22.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: No.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No, I don't have any preferences.

ASSISTANT: Can you please provide your name to proceed further?

USER: Mark Lopez here.

ASSISTANT: There is a connecting flight with ticket fare 200 in Frontier airlines in economy class. Is it ok for you?

USER: Please book my ticket.

ASSISTANT: Your booking is confirmed with flight number 1009. Departure time is 14:00 hours and arrival time is 14:00 hours.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a nice day.