You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My name is Anna Williams, can you help me with flight ticket booking from OAK to AUS?

ASSISTANT: Sure, please share me your trip dates.

USER: Ok, please book a ticket for the date Oct 26 and return is on the date Oct 28.

ASSISTANT: Is there any class preferences for you?

USER: I did not planned a specific class.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight for the trip.

ASSISTANT: May I know your airline preferences?

USER: I need a normal cost airlines.

ASSISTANT: We found a UA airline and 1007 is flight number with a fare of 200. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you for assisting me, I will choosing your agency for any other concern.

ASSISTANT: Thank you for communicating with us.