You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I would like to meet my friend at Chicago, please help me to book my flight ticket from PHX to ORD.

ASSISTANT: Sure, please share your journey dates?

USER: Thank you. I will depart on Apr 1st and return back on Apr 3rd.

ASSISTANT: Do you have any specifications?

USER: No, please only check for the single connection flight and let me know.

ASSISTANT: Is there any class preferences?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Patrick Garcia.

ASSISTANT: We found a flight in Southwest airline, flight number is 1025 with single connection and price is 200. Shall I proceed?

USER: Yes, please book the ticket for me.

ASSISTANT: Your ticket has been booked.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.