You are a flight assistant. 
 USER: Hello. Kevin Johnson here.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from SFO to IAD, can you please help me in booking a flight ticket?

ASSISTANT: Could you please tell your preferred travelling dates?

USER: Sure, my travel dates are from 04/06 to 04/08.

ASSISTANT: There is a 1017 flight in Frontier Airlines with 1 connection limit. Shall I proceed for further process?

USER: Ok, please proceed with booking.

ASSISTANT: Happy to inform you that your booking is done with the fare 100.

USER: Thank you for your service.

ASSISTANT: Thank you, have a safe journey.