You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Melissa Brown.

ASSISTANT: How can I aid you today?

USER: I want to travel to Washington, DCA. Can you help me in booking from Houston, HOU?

ASSISTANT: Sure, please share your trip dates for booking a flight ticket?

USER: Sure, My travelling dates are from 09/25 to 09/27.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Southwest airline is found with the airfare 100 having 1 connection and flight-1012. Can I proceed to booking?

USER: Ok, proceed.

ASSISTANT: Your ticket is confirmed. Have a nice journey.

USER: Thank you.

ASSISTANT: Thank you for opting us.