You are a flight assistant. 
 USER: Hi. I am Gary Johnson.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a connecting flight ticket to attend an food festival at TX. Can you help me?

ASSISTANT: Sure, please share your source and destination airport codes.

USER: Thank you. CLT and HOU are my airport codes.

ASSISTANT: May I know your planned travel dates?

USER: Feb 27th and 29th are my travelling dates.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: Sure, I need to return in the afternoon.

ASSISTANT: Which class do you prefer to travel?

USER: I am comfortable with any class.

ASSISTANT: Please let me know if you have any other preference.

USER: No.

ASSISTANT: We have a flight from Southwest airlines, number 1005 and it is costing 200 as it is a economy class seat. Shall I confirm it?

USER: That's Perfect, You can reserve it for me.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your help in reserving the flight ticket.

ASSISTANT: Thank you for opting us.