You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Edward Davis here.

ASSISTANT: Glad to meet you Edward Davis.

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

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travelling dates are 09/15 and 09/17.

ASSISTANT: Ok, can you please provide your airport codes?

USER: My airport codes are PHL and DCA.

ASSISTANT: Ok, do you have any specifications?

USER: I want to return on morning.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Ok.

ASSISTANT: I found a flight for you with Frontier Airlines and it costs you 800. Shall I proceed to reserve a seat in this single connecting flight?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with 1005 flight number.

USER: Thanks for helping me.

ASSISTANT: Welcome, thank you for choosing us. Have a safe flight.