You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you for the day?

USER: On the name Gregory Hill please book a flight ticket to Seattle, SEA.

ASSISTANT: Sure. Can you please provide your boarding point?

USER: I am boarding at Dallas, DFW.

ASSISTANT: How much you can spend for airfare?

USER: I can spend up to 200.

ASSISTANT: May I know on which dates you prefer to travel?

USER: My travelling dates are from 01/06 to 01/08.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a AA airlines for you flight number 1022 having single connection with the fare of 100. Shall I proceed to booking.

USER: Ok, Please book it.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us. Have a nice journey.