You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to attend music concert at SFO, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, I will help you. Could you please share your travel dates?

USER: I would like to take off on May 7 and return on May 9.

ASSISTANT: Can I have your name please to proceed further?

USER: My name is John Clark.

ASSISTANT: Do you have any connection preference?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class preference.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Southwest airlines with fare 100 and it is a direct flight. Can I book your ticket?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1014.

USER: I appreciate your help, thank you.

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

USER: You are welcome.