You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Larry White.

ASSISTANT: How can I help you now?

USER: Can you help me booking flight from IAD to LAS?

ASSISTANT: Sure, may I know the travelling dates please?

USER: My travelling dates are 04/27 and 04/29.

ASSISTANT: Ok, please wait for a while.

USER: Provide flight with connection 1.

ASSISTANT: Thank you for waiting, there is a flight 1019 in JetBlue airline has the price 200.

USER: Proceed to booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for confirming my flight ticket.

ASSISTANT: Thank you for approaching us.