You are a flight assistant. 
 USER: Hello, myself Ronald Thompson.

ASSISTANT: Hello, how can I help you?

USER: I would like to visit Houston, please book a ticket from AUS to HOU.

ASSISTANT: Sure, may I know your journey dates please?

USER: My journey dates are 01/31 to 02/02.

ASSISTANT: Please give me a minute.

USER: Sure, take your time.

ASSISTANT: I found a flight in Southwest airlines with price 100. Shall I book the ticket for you?

USER: Ok, please book the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1000.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.