You are a flight assistant. 
 USER: Hello. My name is Edward Garcia.

ASSISTANT: Hello, how can I assist you today?

USER: I have plan to meet my friend in Washington, can you help me for booking?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling date are 12/07 and 12/09.

ASSISTANT: Please share me your source and destination codes.

USER: My travelling airport codes are LAS and DCA.

ASSISTANT: May I know your price limit?

USER: My price should under 1000. Make sure that my connection limit should be 1.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1001 with a single connection and price is 100. Shall I proceed to booking?

USER: Ok, proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.

USER: Welcome.