You are a flight assistant. 
 USER: Hello, I am Karen Campbell.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from IAH to EWR?

ASSISTANT: Sure, can I know your preferable dates?

USER: I will start on 04/28 and return on 04/30.

ASSISTANT: We found a flight from Southwest airline with 1 connection and fare is 200. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is booked and flight number is 1029.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us.