You are a flight assistant. 
 USER: Hello,. I am Richard Martinez.

ASSISTANT: Hello, how may I render you today?

USER: Can you please make a reservation with normal-cost airlines?

ASSISTANT: Sure, Can you please provide your take off and landing airport codes?

USER: My airport codes are, BOS to DCA.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My journey start on Sep 3rd and return back on Sep 5th.

ASSISTANT: May I know your depart and arrival timings?

USER: My return fight time should be in the afternoon.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: I need a direct flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a direct flight 1000 from United Airlines has fare 300, the arrival time is 14:00 PM. Shall I proceed?

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.