You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Frank Wright.

ASSISTANT: How can I assist you today?

USER: I need your help in booking my flight ticket from IAD to SFO. Can you please help me in booking my flight ticket?

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

USER: Sure, I will start my journey on 05/19 and return back on 05/21.

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: That's fine for me, you can proceed for booking the ticket.

ASSISTANT: Your ticket is booked. The flight number is 1016 and the airline is Hawaiian.

USER: Thank you very much for your help.

ASSISTANT: Welcome, have a great day.