You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Mark Young, can you please help me in booking my flight ticket to have a round trip in Seattle city in the month of August?

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

USER: Sure, my travelling dates are Aug 09 and Aug 11.

ASSISTANT: Please provide your airport codes that you want to travel.

USER: Sure, my airport code is SEA.

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: Yes, do proceed with my booking.

ASSISTANT: Your ticket is booked. The flight number is 1017 and the airline is UA.

USER: Thank you for booking my flight ticket with flight 1017.

ASSISTANT: Welcome, have a great day.