You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Dorothy Brown.

ASSISTANT: How can I help you at this moment?

USER: I am planning to meet my Cousin at Washington, will you help me in booking the flight ticket from IAH to DCA?

ASSISTANT: Sure, I will help you with this. Can you please provide your travel dates to proceed further?

USER: My travelling dates are 09/12 and 09/14.

ASSISTANT: Wait a moment please.

USER: Ok, I will wait for your response.

ASSISTANT: Southwest airlines is available on this route with a ticket fare of 100, shall I book your ticket?

USER: Sure, you can proceed with the booking.

ASSISTANT: Dorothy Brown, your ticket is booked in flight number 1002.

USER: Thank you for helping me.

ASSISTANT: You are welcome, have a safe journey.