You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you now?

USER: I am planning to meet my friend at Houston, can you find me a flight ticket?

ASSISTANT: Sure, I will help you to book a flight. Can you share me your source and destination airport codes?

USER: My source and destination airport codes are DFW and IAH.

ASSISTANT: Please mention when you planned to travel?

USER: My travel dates are Oct 30 and Nov 01.

ASSISTANT: Do you want a connecting flight for your flight journey?

USER: I need a connecting flight.

ASSISTANT: Is there any other requirement?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Joseph Jackson.

ASSISTANT: I found a direct flight 1009 of airline Spirit, fare is 200 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for visiting us, have a nice journey.