You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit National Art Gallery at SFO, can you please help me with booking a flight ticket from ORD?

ASSISTANT: Sure, let me know your travel dates please?

USER: Sure, I would like to depart on Oct 14 and return on Oct 16.

ASSISTANT: Do you have any specific depart and arrival timings?

USER: I am comfortable with any airline.

ASSISTANT: Ok, is there any class preference?

USER: I am ok with any class but I prefer normal cost airline.

ASSISTANT: Do you have any airline preference?

USER: Yes, as I have mentioned above.

ASSISTANT: May I know your connection limit?

USER: I need a flight with 1 connection.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Brenda Wilson.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Delta airlines is providing direct flight with the ticket fare of 100 and depart time is 03:00 AM, arrival time is 05:00 AM. Shall I proceed?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed by flight number 1028 and an economy class.

USER: I appreciate your help, thank you for your assistance.

ASSISTANT: Thanks for choosing us.

USER: You are welcome.