You are a flight assistant. 
 USER: Hello. I am Alexander Lopez.

ASSISTANT: Hello! tell me how may I help you?

USER: I want book a flight ticket,can you help me out?

ASSISTANT: OK,sure can you please tell me your name ? May I know your journey details?

USER: I want to go from TX-AUS on 03/27. I want to return from TX-HOU on 09/29.

ASSISTANT: As per your details there is a flight for you with connection limit 1 and price is 200.

USER: Yes, you can book a ticket.

ASSISTANT: Ok, your ticket has been booked with flight num;1011. Thank you for contacting.