You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jason Robinson.

ASSISTANT: How can I assist you?

USER: I am planning to visit Millennium Park at Chicago, could you please help me with booking a flight ticket from JFK to ORD?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please? May I know your class preference please?

USER: I would like to depart on Jan 18th and return on Jan 20th.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any class.

ASSISTANT: Do you have any time concerns?

USER: Make sure that my return time must be morning.

ASSISTANT: Please let me know if you have any other specifications.

USER: No, thank you for asking.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines is providing a flight on that route with ticket fare of 100 and 1 connection, it's departure time is 18 PM and return time is 11 AM. Shall I proceed for booking?

USER: Yes, please confirm the booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1004, have a safe journey.

USER: I really appreciate your help, thank you for your service.

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