You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Rachel Lewis. I need to travel Fort Worth, can you please reserve flight ticket from OAK and DFW?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are Dec,11 and Dec,13.

ASSISTANT: Do you have any specifications?

USER: My depart time should be in the afternoon.

ASSISTANT: Do you have any other preferences?

USER: I need a single connection for my journey.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. The Delta Airline is providing an economy class flight with price 200 and the connections 0. The departure time is 18:00 PM. Shall I confirm your ticket?

USER: I need a single connection as I mentioned above.

ASSISTANT: There is no flights available with connections 1.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Thanks for reaching us, have a great day.

USER: Thank you for searching the flights.

ASSISTANT: Welcome.