You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Richard Thomas.

ASSISTANT: How may I aid you?

USER: I want to book a flight ticket to visit science festival at Orlando, please help me with a connecting flight.

ASSISTANT: Sure. Can you please mention the Orlando airport code?

USER: My Dest airport code is FL- MCO.

ASSISTANT: May I have your journey dates?

USER: My travelling dates are from 03/18 to 03/20.

ASSISTANT: May I know your budget limit?

USER: I need the ticket within price 1000.

ASSISTANT: Where are you starting from?

USER: My source code is CA- OAK.

ASSISTANT: Ok. There is flight that matches your request. Southwest airline with 1018 flight.

USER: Please go with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.