You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a ticket to Houston HOU for my father, can you assist me?

ASSISTANT: Sure, may I know your father's name please to proceed further?

USER: Sure, my father's name is Benjamin Mitchell.

ASSISTANT: Please let me know the journey dates.

USER: The journey dates will be from 08/31 to 09/02.

ASSISTANT: May I know the airport codes of journey please?

USER: He will be taking a flight from Washington DCA.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time and let me know the available flight details.

ASSISTANT: There is a flight with Southwest airlines available with price 200 matching with your details. Shall I book the ticket?

USER: May I know the connections of the flight?

ASSISTANT: Sure, it has 1 connection.

USER: Ok, please book it.

ASSISTANT: Your ticket is confirmed and the flight number is 1010.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us, have a safe journey.

USER: Most welcome.