You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in reserving my ticket from IAD to BOS?

ASSISTANT: Sure, may I know your planning dates?

USER: Sure, my preferable dates of journey are from Dec, 21 to Dec, 23.

ASSISTANT: Ok, Is there any connection limit?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Ok, Do you have your other requirements?

USER: No.

ASSISTANT: May I know your name please?

USER: Sure, my name is Larry Roberts.

ASSISTANT: We found a flight ticket to 1025 Hawaiian Airlines with a fare of 400. Can I proceed?

USER: Ok, please proceed with this ticket booking.

ASSISTANT: Sure, your booking has been reserved.

USER: Thank you for your appreciable service.

ASSISTANT: Thank you for reaching us.