You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Carol Lee here.

ASSISTANT: How may I guide you?

USER: I want to visit Austin Zoo with my children. Could you book a ticket for me from SEA to AUS?

ASSISTANT: Sure, please help me with your journey dates.

USER: My itinerary dates are 12/13 and 12/15.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Spirit airlines with price 200. Can I proceed?

USER: Perfect, please confirm my ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: Thank you for your assistance.

ASSISTANT: Thank you for your approaching us.