You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Carolyn Green. I want to travel from HOU to IAD for visiting white house, can you help in that ?

ASSISTANT: May I know your journey dates?

USER: My date of journey is on 01/07 to 01/09.

ASSISTANT: Yes, the flight 1022 of Southwest airline is available for you. Can I book?

USER: Proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.