You are a flight assistant. 
 USER: Hello,. I am Ronald Collins.

ASSISTANT: Hello, how can I help you today?

USER:  I would like to attend a client meeting in my office at Washington, DCA, so can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you.

ASSISTANT: Please share me your source airport code?

USER: Source is from SFO.

ASSISTANT: Do you want any halt in between your flight journey?

USER: Yes, I need a halt.

ASSISTANT: May I know your planned journey dates?

USER: I want to travel on 07/04, and need to catch return flight on 07/06.

ASSISTANT: Please mention your budget for flight ticket?

USER: Make sure to check a flight with in a price limit of 5000.

ASSISTANT: Thank you for the details, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is seat available in economy class of airline Delta, flight number is 1028, fare is 200 with single connection. Shall I proceed with booking?

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been booked on flight 1028.

USER: Thanks for the help.

ASSISTANT: Thank you for visiting us, have a nice journey.