You are a flight assistant. 
 USER: Hello, I am Catherine White.

ASSISTANT: Hello, how may I aid you?

USER: I would like to visit Death Valley Adventure at Houston, can you please book me a ticket?

ASSISTANT: Ok, let me know your fare limit?

USER: I can afford 200.

ASSISTANT: May I know your trip dates?

USER: I would like to fly on 08/23 and return on 08/25.

ASSISTANT: Help me with your airport codes?

USER: My preferable airport codes are from DTW to HOU.

ASSISTANT: Ok, please hang on for a minute.

USER: Ok.

ASSISTANT: There is a flight with SouthWest airline and flight number 1010 is matching to your requirements. Shall I confirm your booking with airfare 100?

USER: Ok, please book this ticket.

ASSISTANT: Your flight booking is processed with a halt in between your journey. Thanks for choosing us.

USER: Thanks for your help.