You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I assist you today?

USER: Please book a ticket from Houston,TX-IAH to Washington DC-DCA.

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My travelling dates are from 01/16 to 01/18.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?

USER: Please provide flight number?

ASSISTANT:  The flight number is 1015 and the airline is Hawaiian.

USER: Please book a ticket.

ASSISTANT: Your ticket is reserved. Thanks for reaching us.

USER: Thank you.