You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend my convocation ceremony, so please book my ticket from LAS to DTW.

ASSISTANT: Sure, may I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Can you please share your planned travel dates?

USER: My itinerary dates are Mar 24 and Mar 26.

ASSISTANT: Let me know your airline preference.

USER: I have never travelled in normal-cost airlines, so please book my ticket in it.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Jonathan Walker here.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No problem, I will find an alternative way to travel.

ASSISTANT: Ok, thank you for opting us.

USER: Thank you for assisting me.