You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Virginia Baker. I need to attend a cultural festival in Washington so please help me with flight ticket booking from Houston.

ASSISTANT: Sure, I am here to help you and may I know your airborne and recur travel dates?

USER: Thank you. I would like to travel on dates of Jan 20 and Jan 22.

ASSISTANT: May I know your nearest regional airport codes?

USER: Sure, I would like to travel from IAH to DCA.

ASSISTANT: Is there any airline preference?

USER: No, I don't have any airlines preferences.

ASSISTANT: Please be on hold for a moment.

USER: Sure, take your time.

ASSISTANT:  I found a flight with a fare of 100 and there is a 1 halt in your journey and the flight number is 1028 in Southwest airlines, shall I proceed with ticket booking?

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, I have reserved your flight in the above flight.

USER: Thank you for your help.

ASSISTANT: You are most welcome and have a nice day.