You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Timothy Adams.

ASSISTANT: Adams, how may I help you?

USER: I would like to visit Houston Zoo with my sister, could you please find the availability of flight?

ASSISTANT: Sure, may I know your itinerary dates?

USER: My planned dates are 10/11 and 10/13.

ASSISTANT: Please wait for a moment, let me check for any available flight. May I know your airport codes?

USER: My airport codes are DFW and HOU.

ASSISTANT: UA airlines with flight 1000 is providing service with 1 connection.

USER: Please confirm my booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.