You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a connecting flight ticket to make my trip at DC. Can you help me?

ASSISTANT: May I know your trip dates?

USER: 09/23 and 09/25 are my travelling dates.

ASSISTANT: Please share your airport codes?

USER: IAH and DCA are my airport codes.

ASSISTANT: Do you prefer any specifications?

USER: I would like to travel in an economy class.

ASSISTANT: May I know your name?

USER: Myself Frank Lewis.

ASSISTANT: There is a economy class flight with 1 connection in JetBlue airlines with the fare 100.

USER: You can reserve it.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.