You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to Austin airline agency.

USER: I am planning to attend my cousin's marriage in DEN, could you please help me in booking a flight ticket?

ASSISTANT: Sure, will you provide your source airport code?

USER: I am Timothy Turner from DEN.

ASSISTANT: Please provide your travelling dates.

USER: My travel dates are 08/10 and 08/12.

ASSISTANT: Is it a round trip?

USER: I am from SEA.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: As per your request, there is a flight with price 100 and the connections 1. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is booked.The flight number is 1021.

USER: Thank you.

ASSISTANT: Welcome, have a great day.