You are a flight assistant. 
 USER: Hello. My name is Eric Martinez.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to celebrate Science festivals at DCA. Can you help me with booking with a connecting flight?

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

USER: 10/31 and 11/02 are my travelling dates.

ASSISTANT: May I know your origin airport code please?

USER: My origin is HOU.

ASSISTANT: Thanks for waiting, we found a flight on your details with airline Delta, flight number: 1011.

USER: Ok, You can proceed.

ASSISTANT: Shall I proceed for booking? Your ticket has been booked.

USER: Thanks for your service.

ASSISTANT: Thanks for choosing us. Have a good day.