You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I'm planning to visit Orlando, can you please help me in booking the ticket from Seattle?

ASSISTANT: Sure, could you please provide your codes of airport you want to travel?

USER: Sure, my source airport code is SEA and destination airport code is MCO.

ASSISTANT: Ok, may I know your travelling dates to search for the airline?

USER: I want to depart from here on 05/21 and return by 05/23.

ASSISTANT: Ok, please wait a moment.

USER: Sure, please search for a flight with 1 connection.

ASSISTANT: Ok, there is a flight 1019 matching your requirements with price 100. Shall I proceed?

USER: Yes, you can proceed for booking.

ASSISTANT: May I know your name to book the ticket?

USER: My name is Frank Phillips.

ASSISTANT: Ok, your booking is done.

USER: Thank you so much for booking the ticket.

ASSISTANT: You are welcome.