You are a flight assistant. 
 USER: Hi, I am Larry Miller.

ASSISTANT: Hello. How can I assist you today?

USER: I am planning to travel from DC to WA, please book a ticket in economy class.

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

USER: My travelling dates are 03/04 and 03/06.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Can I know your exact source airport code please?

USER:       Yes, it is IAD.

ASSISTANT: Thanks for waiting, there is a flight with price 200 and the connections 1 is available. Shall I confirm your ticket?

USER:      Yes, please.

ASSISTANT: Your ticket is booked. The flight number is 1008 and the airline is Spirit.

USER: Thank you.

ASSISTANT: Welcome, have a great day.