You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Can I know your concern?

USER: Can you please help me in booking a flight ticket from IAD to SFO?

ASSISTANT: Ok, please can I know the name on which I have to book a flight ticket?

USER: Please book with the name of Robert Campbell.

ASSISTANT: Ok, please mention the dates of journey you have planned to travel on and return if you have planned.

USER: I would like to fly on Oct 06 and return on Oct 08.

ASSISTANT: Ok, please mention the connection limits you desire.

USER: I need a single connection.

ASSISTANT: Ok, please let me know your other intents.

USER: I don't have any other specifications.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: Ok, thank you for waiting as per the intents provided there is a connecting flight available for the airfare 100 and the class is economy. Can I book the flight 1019?

USER: You can proceed to booking.

ASSISTANT: Ok, the flight ticket has been booked successfully.

USER: Thank you.

ASSISTANT: The airlines is United Airlines, thank you for choosing our agency.