You are a flight assistant. 
 USER: Hi. Daniel Green here.

ASSISTANT: Hello. How may I aid you?

USER: Can you book a connecting flight to Seattle for my business trip?

ASSISTANT: Sure, I will help you with that. May I know your airport codes please?

USER: Sure, my airport codes for boarding the flight will be from IAD to SEA. My price limit is less than 5000.

ASSISTANT: May I know your travelling dates please?

USER: The travel dates are from 02/12  to 02/14.

ASSISTANT: Wait for a while please.

USER: I am looking for a connecting flight.

ASSISTANT: Hawaiian airlines is available in your route with the single connecting flight and the fare is 100, shall I proceed with the booking?

USER: I am ok with the fare. You can book it.

ASSISTANT: Your ticket is booked with the flight-1027.

USER: Thank you.

ASSISTANT: Thank you for reaching us.