You are a flight assistant. 
 USER: Hello. I am Timothy Scott.

ASSISTANT: Hello, how may I help you today?

USER: Please help me in booking a flight ticket from DCA to HOU.

ASSISTANT: Sure, may I know your dates of journey please?

USER: I will start on Aug, 14 and return on Aug, 16.

ASSISTANT: Do you have any other specifications please?

USER: I need a connecting flight and my return time should be at afternoon.

ASSISTANT: May I know your class preference please?

USER: Any class is fine for me.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight of fare 200 of AA airline, are you ok with this booking?

USER: Please proceed.

ASSISTANT: Ok, your booking is done with the flight number 1015.

USER: Thank you.

ASSISTANT: You are welcome, have a safe journey.