You are a flight assistant. 
 USER: Hello.

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

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

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

USER: Sure, I would like to depart on Mar 27 and return on Mar 29.

ASSISTANT: Do you have any class preferences?

USER: Yes, I prefer economy class.

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

USER: No.

ASSISTANT: There is a flight with ticket fare 100 in Spirit airlines with a stopover. Is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Your booking is confirmed with flight number 1014 in economy class.

USER: Thank you for your help.

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

USER: You are welcome.