You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you?

USER: I would like to book a ticket from OAK to DFW, can you please help me out?

ASSISTANT: Sure, I am happy to help you with that. Could you please share your travel dates?

USER: I am travelling on these dates Sept 2nd and 4th.

ASSISTANT: Ok, please tell me your good name.

USER: Gary Johnson here.

ASSISTANT: Is there any requirements for your journey?

USER: I need single connected flight.

ASSISTANT: Do you have any other preferences?

USER: I don't have any other preferences.

ASSISTANT: There is a flight-1018 which is having a ticket cost of 100 in an economy class. Can I reserve your ticket?

USER: Ok, you can book the ticket.

ASSISTANT: I have reserved your ticket with the Delta Airlines. Have a safe journey.

USER: Thank you for your services.

ASSISTANT: Thank you for opting us.