You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Paul Phillips here.

ASSISTANT: How can I assist you today?

USER: Can you please help me out in booking the ticket from DCA to OAK? As I'm planning to go for trekking at Oakland hills.

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

USER: Yes, my planned travel dates are 08/30 and 09/01.

ASSISTANT: Please give me a moment. Thanks for waiting, there is a flight with price 100 and the connections 0 is available. Shall I confirm your ticket?

USER: That's fine, you can proceed for booking.

ASSISTANT: Your ticket is booked. The flight number is 1021 and the airline is Frontier.

USER: Thank you so much for your help in booking the ticket.

ASSISTANT: Welcome, have a great day.