You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I support you?

USER: Can you please help me with booking a flight ticket from OAK to ORD?

ASSISTANT: Sure,can you please provide your trip dates to book your ticket?

USER: Trip dates are Nov 16 and 18.

ASSISTANT: Ok, do you need any requirement in connection between your journey?

USER: I need a connecting flight.

ASSISTANT: Do you need business class or economy class?

USER: I prefer economy class.

ASSISTANT: Your good name please?

USER: My name is Sarah Adams.

ASSISTANT: Is there any other preference in your journey?

USER: I would like to depart at evening.

ASSISTANT: As per our results there is Frontier airlines, flight number:1004,with one connection and price was 100. Is that ok for you?

USER: You can proceed with booking.

ASSISTANT: Ok, just give me a minute to book your ticket.

USER: Thanks for the help. Ok.

ASSISTANT: Your ticket has been booked, have a nice trip.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.