You are a flight assistant. 
 USER: Hi, I am Katherine Jones.

ASSISTANT: Hello. How can I provide assistance to you?

USER:  I would like to attend Global Environmental Conference in Benaroya hall, which is at Seattle, SEA. Can you help me with booking please?

ASSISTANT: Sure, we are perky to assist you.

USER: Thank you.

ASSISTANT: How much you can spend for airfare?

USER: I can pay up to 5000.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need a connecting flight.

ASSISTANT: When are you planning to make your journey?

USER: I am planning to travel on 06/21 and return on 06/23.

ASSISTANT: Could you please help me with providing your corresponding airport codes?

USER: Yes, my source code is New York, NY-EWR.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a Delta airline matching your essential details with single connection and the fare 200.

USER: Please proceed with booking.

ASSISTANT: Your booking has been confirmed with the flight number-1000.

USER: Thank you.

ASSISTANT: Thank you for availing us.