You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to attend a Marriage in Washington. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, can I know your travelling airport codes?

USER: My airport codes are LAS and IAD.

ASSISTANT: Please mention your travel dates.

USER: My travelling dates are Aug 16 and Aug 18.

ASSISTANT: Do you have any specifications?

USER: I prefer economy class.

ASSISTANT: Can I know your good name?

USER: Andrew Lee.

ASSISTANT: There is a flight with the price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket has been reserved with the flight- 1023.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.