You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

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

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 06/02 and 06/04.

ASSISTANT: Can I know your airport codes too?

USER: My airport codes are HOU and IAD.

ASSISTANT: Do you need any specifications?

USER: I want to return on afternoon.

ASSISTANT: Can I know your preferences?

USER: I need single connecting flight.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1011.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.