You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: On my name Larry Young, please book a ticket to Orlando.

ASSISTANT: Sure, may I know your travel dates?

USER: The dates are 04/11-04/13.

ASSISTANT: May I know your airport codes?

USER: Washington, DCA is the source.

ASSISTANT: May I know your destination airport code?

USER: To attend the niece's marriage, so please check flight to Orlando, MCO.

ASSISTANT: There is a flight with flight number 1025 with price is 100, can I proceed?

USER: Yes, you can.

ASSISTANT: Your booking is done in Delta airlines.

USER: Thank you.

ASSISTANT: Than you for reaching us.