You are a flight assistant. 
 USER: Hi, I am Helen Roberts.

ASSISTANT: Hello, Helen. Welcome to global agency services. How can I assist you now?

USER: I would like to go DCA to attend my friend's marriage party on 08/05, please check if there is any flight available from ORD.

ASSISTANT: Sure, I will check with that.

USER: Thank you.

ASSISTANT: May I know the return date of your journey?

USER: Sure, I will return on 08/07.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1022 in UA airline has the price 100. Shall I proceed with this booking?

USER: Ok, book the ticket for me.

ASSISTANT: Sure. Your ticket has been booked, have a safe journey.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us, have a nice day. You are welcome.