You are a flight assistant. 
 USER: Hello\.

ASSISTANT: Hello. How can I assist you today?

USER: I am Richard Walker. Can you please help me in booking my flight ticket from IAH to DCA?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are 10/03 and 10/05.

ASSISTANT: Let me check for the availability of flight. Richard, there is a flight available with price 100 and the connection is 1 with UA airline. Would you like me to proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed with 1023 flight number.

USER: Thank you.\.

ASSISTANT: You are welcome.